// SPDX-License-Identifier: GPL-2.0/* * Basic Node interface support */ #include <linux/module.h>#include <linux/init.h>#include <linux/mm.h>#include <linux/memory.h>#include <linux/vmstat.h>#include <linux/notifier.h>#include <linux/node.h>#include <linux/hugetlb.h>#include <linux/compaction.h>#include <linux/cpumask.h>#include <linux/topology.h>#include <linux/nodemask.h>#include <linux/cpu.h>#include <linux/device.h>#include <linux/pm_runtime.h>#include <linux/swap.h>#include <linux/slab.h> static struct bus_type node_subsys = { .name = "node", .dev_name = "node",}; static ssize_t node_read_cpumap(struct device *dev, bool list, char *buf){ ssize_t n; cpumask_var_t mask; struct node *node_dev = to_node(dev); /* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */ BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1)); if (!alloc_cpumask_var(&mask, GFP_KERNEL)) return 0; cpumask_and(mask, cpumask_of_node(node_dev->dev.id), cpu_online_mask); n = cpumap_print_to_pagebuf(list, buf, mask); free_cpumask_var(mask); return n;} static inline ssize_t node_read_cpumask(struct device *dev, struct device_attribute *attr, char *buf){ return node_read_cpumap(dev, false, buf);}static inline ssize_t node_read_cpulist(struct device *dev, struct device_attribute *attr, char *buf){ return node_read_cpumap(dev, true, buf);} static DEVICE_ATTR(cpumap, S_IRUGO, node_read_cpumask, NULL);static DEVICE_ATTR(cpulist, S_IRUGO, node_read_cpulist, NULL); /** * struct node_access_nodes - Access class device to hold user visible * relationships to other nodes. * @dev: Device for this memory access class * @list_node: List element in the node's access list * @access: The access class rank * @hmem_attrs: Heterogeneous memory performance attributes */struct node_access_nodes { struct device dev; struct list_head list_node; unsigned access;#ifdef CONFIG_HMEM_REPORTING struct node_hmem_attrs hmem_attrs;#endif};#define to_access_nodes(dev) container_of(dev, struct node_access_nodes, dev) static struct attribute *node_init_access_node_attrs[] = { NULL,}; static struct attribute *node_targ_access_node_attrs[] = { NULL,}; static const struct attribute_group initiators = { .name = "initiators", .attrs = node_init_access_node_attrs,}; static const struct attribute_group targets = { .name = "targets", .attrs = node_targ_access_node_attrs,}; static const struct attribute_group *node_access_node_groups[] = { &initiators, &targets, NULL,}; static void node_remove_accesses(struct node *node){ struct node_access_nodes *c, *cnext; list_for_each_entry_safe(c, cnext, &node->access_list, list_node) { list_del(&c->list_node); device_unregister(&c->dev); }} static void node_access_release(struct device *dev){ kfree(to_access_nodes(dev));} static struct node_access_nodes *node_init_node_access(struct node *node, unsigned access){ struct node_access_nodes *access_node; struct device *dev; list_for_each_entry(access_node, &node->access_list, list_node) if (access_node->access == access) return access_node; access_node = kzalloc(sizeof(*access_node), GFP_KERNEL); if (!access_node) return NULL; access_node->access = access; dev = &access_node->dev; dev->parent = &node->dev; dev->release = node_access_release; dev->groups = node_access_node_groups; if (dev_set_name(dev, "access%u", access)) goto free; if (device_register(dev)) goto free_name; pm_runtime_no_callbacks(dev); list_add_tail(&access_node->list_node, &node->access_list); return access_node;free_name: kfree_const(dev->kobj.name);free: kfree(access_node); return NULL;} #ifdef CONFIG_HMEM_REPORTING#define ACCESS_ATTR(name) \static ssize_t name##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \{ \ return sprintf(buf, "%u\n", to_access_nodes(dev)->hmem_attrs.name); \} \static DEVICE_ATTR_RO(name); ACCESS_ATTR(read_bandwidth)ACCESS_ATTR(read_latency)ACCESS_ATTR(write_bandwidth)ACCESS_ATTR(write_latency) static struct attribute *access_attrs[] = { &dev_attr_read_bandwidth.attr, &dev_attr_read_latency.attr, &dev_attr_write_bandwidth.attr, &dev_attr_write_latency.attr, NULL,}; /** * node_set_perf_attrs - Set the performance values for given access class * @nid: Node identifier to be set * @hmem_attrs: Heterogeneous memory performance attributes * @access: The access class the for the given attributes */void node_set_perf_attrs(unsigned int nid, struct node_hmem_attrs *hmem_attrs, unsigned access){ struct node_access_nodes *c; struct node *node; int i; if (WARN_ON_ONCE(!node_online(nid))) return; node = node_devices[nid]; c = node_init_node_access(node, access); if (!c) return; c->hmem_attrs = *hmem_attrs; for (i = 0; access_attrs[i] != NULL; i++) { if (sysfs_add_file_to_group(&c->dev.kobj, access_attrs[i], "initiators")) { pr_info("failed to add performance attribute to node %d\n", nid); break; } }} /** * struct node_cache_info - Internal tracking for memory node caches * @dev: Device represeting the cache level * @node: List element for tracking in the node * @cache_attrs:Attributes for this cache level */struct node_cache_info { struct device dev; struct list_head node; struct node_cache_attrs cache_attrs;};#define to_cache_info(device) container_of(device, struct node_cache_info, dev) #define CACHE_ATTR(name, fmt) \static ssize_t name##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \{ \ return sprintf(buf, fmt "\n", to_cache_info(dev)->cache_attrs.name);\} \DEVICE_ATTR_RO(name); CACHE_ATTR(size, "%llu")CACHE_ATTR(line_size, "%u")CACHE_ATTR(indexing, "%u")CACHE_ATTR(write_policy, "%u") static struct attribute *cache_attrs[] = { &dev_attr_indexing.attr, &dev_attr_size.attr, &dev_attr_line_size.attr, &dev_attr_write_policy.attr, NULL,};ATTRIBUTE_GROUPS(cache); static void node_cache_release(struct device *dev){ kfree(dev);} static void node_cacheinfo_release(struct device *dev){ struct node_cache_info *info = to_cache_info(dev); kfree(info);} static void node_init_cache_dev(struct node *node){ struct device *dev; dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return; dev->parent = &node->dev; dev->release = node_cache_release; if (dev_set_name(dev, "memory_side_cache")) goto free_dev; if (device_register(dev)) goto free_name; pm_runtime_no_callbacks(dev); node->cache_dev = dev; return;free_name: kfree_const(dev->kobj.name);free_dev: kfree(dev);} /** * node_add_cache() - add cache attribute to a memory node * @nid: Node identifier that has new cache attributes * @cache_attrs: Attributes for the cache being added */void node_add_cache(unsigned int nid, struct node_cache_attrs *cache_attrs){ struct node_cache_info *info; struct device *dev; struct node *node; if (!node_online(nid) || !node_devices[nid]) return; node = node_devices[nid]; list_for_each_entry(info, &node->cache_attrs, node) { if (info->cache_attrs.level == cache_attrs->level) { dev_warn(&node->dev, "attempt to add duplicate cache level:%d\n", cache_attrs->level); return; } } if (!node->cache_dev) node_init_cache_dev(node); if (!node->cache_dev) return; info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) return; dev = &info->dev; dev->parent = node->cache_dev; dev->release = node_cacheinfo_release; dev->groups = cache_groups; if (dev_set_name(dev, "index%d", cache_attrs->level)) goto free_cache; info->cache_attrs = *cache_attrs; if (device_register(dev)) { dev_warn(&node->dev, "failed to add cache level:%d\n", cache_attrs->level); goto free_name; } pm_runtime_no_callbacks(dev); list_add_tail(&info->node, &node->cache_attrs); return;free_name: kfree_const(dev->kobj.name);free_cache: kfree(info);} static void node_remove_caches(struct node *node){ struct node_cache_info *info, *next; if (!node->cache_dev) return; list_for_each_entry_safe(info, next, &node->cache_attrs, node) { list_del(&info->node); device_unregister(&info->dev); } device_unregister(node->cache_dev);} static void node_init_caches(unsigned int nid){ INIT_LIST_HEAD(&node_devices[nid]->cache_attrs);}#elsestatic void node_init_caches(unsigned int nid) { }static void node_remove_caches(struct node *node) { }#endif #define K(x) ((x) << (PAGE_SHIFT - 10))static ssize_t node_read_meminfo(struct device *dev, struct device_attribute *attr, char *buf){ int n; int nid = dev->id; struct pglist_data *pgdat = NODE_DATA(nid); struct sysinfo i; unsigned long sreclaimable, sunreclaimable; si_meminfo_node(&i, nid); sreclaimable = node_page_state(pgdat, NR_SLAB_RECLAIMABLE); sunreclaimable = node_page_state(pgdat, NR_SLAB_UNRECLAIMABLE); n = sprintf(buf, "Node %d MemTotal: %8lu kB\n" "Node %d MemFree: %8lu kB\n" "Node %d MemUsed: %8lu kB\n" "Node %d Active: %8lu kB\n" "Node %d Inactive: %8lu kB\n" "Node %d Active(anon): %8lu kB\n" "Node %d Inactive(anon): %8lu kB\n" "Node %d Active(file): %8lu kB\n" "Node %d Inactive(file): %8lu kB\n" "Node %d Unevictable: %8lu kB\n" "Node %d Mlocked: %8lu kB\n", nid, K(i.totalram), nid, K(i.freeram), nid, K(i.totalram - i.freeram), nid, K(node_page_state(pgdat, NR_ACTIVE_ANON) + node_page_state(pgdat, NR_ACTIVE_FILE)), nid, K(node_page_state(pgdat, NR_INACTIVE_ANON) + node_page_state(pgdat, NR_INACTIVE_FILE)), nid, K(node_page_state(pgdat, NR_ACTIVE_ANON)), nid, K(node_page_state(pgdat, NR_INACTIVE_ANON)), nid, K(node_page_state(pgdat, NR_ACTIVE_FILE)), nid, K(node_page_state(pgdat, NR_INACTIVE_FILE)), nid, K(node_page_state(pgdat, NR_UNEVICTABLE)), nid, K(sum_zone_node_page_state(nid, NR_MLOCK))); #ifdef CONFIG_HIGHMEM n += sprintf(buf + n, "Node %d HighTotal: %8lu kB\n" "Node %d HighFree: %8lu kB\n" "Node %d LowTotal: %8lu kB\n" "Node %d LowFree: %8lu kB\n", nid, K(i.totalhigh), nid, K(i.freehigh), nid, K(i.totalram - i.totalhigh), nid, K(i.freeram - i.freehigh));#endif n += sprintf(buf + n, "Node %d Dirty: %8lu kB\n" "Node %d Writeback: %8lu kB\n" "Node %d FilePages: %8lu kB\n" "Node %d Mapped: %8lu kB\n" "Node %d AnonPages: %8lu kB\n" "Node %d Shmem: %8lu kB\n" "Node %d KernelStack: %8lu kB\n" "Node %d PageTables: %8lu kB\n" "Node %d NFS_Unstable: %8lu kB\n" "Node %d Bounce: %8lu kB\n" "Node %d WritebackTmp: %8lu kB\n" "Node %d KReclaimable: %8lu kB\n" "Node %d Slab: %8lu kB\n" "Node %d SReclaimable: %8lu kB\n" "Node %d SUnreclaim: %8lu kB\n"#ifdef CONFIG_TRANSPARENT_HUGEPAGE "Node %d AnonHugePages: %8lu kB\n" "Node %d ShmemHugePages: %8lu kB\n" "Node %d ShmemPmdMapped: %8lu kB\n"#endif , nid, K(node_page_state(pgdat, NR_FILE_DIRTY)), nid, K(node_page_state(pgdat, NR_WRITEBACK)), nid, K(node_page_state(pgdat, NR_FILE_PAGES)), nid, K(node_page_state(pgdat, NR_FILE_MAPPED)), nid, K(node_page_state(pgdat, NR_ANON_MAPPED)), nid, K(i.sharedram), nid, sum_zone_node_page_state(nid, NR_KERNEL_STACK_KB), nid, K(sum_zone_node_page_state(nid, NR_PAGETABLE)), nid, K(node_page_state(pgdat, NR_UNSTABLE_NFS)), nid, K(sum_zone_node_page_state(nid, NR_BOUNCE)), nid, K(node_page_state(pgdat, NR_WRITEBACK_TEMP)), nid, K(sreclaimable + node_page_state(pgdat, NR_KERNEL_MISC_RECLAIMABLE)), nid, K(sreclaimable + sunreclaimable), nid, K(sreclaimable), nid, K(sunreclaimable)#ifdef CONFIG_TRANSPARENT_HUGEPAGE , nid, K(node_page_state(pgdat, NR_ANON_THPS) * HPAGE_PMD_NR), nid, K(node_page_state(pgdat, NR_SHMEM_THPS) * HPAGE_PMD_NR), nid, K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR)#endif ); n += hugetlb_report_node_meminfo(nid, buf + n); return n;} #undef Kstatic DEVICE_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL); static ssize_t node_read_numastat(struct device *dev, struct device_attribute *attr, char *buf){ return sprintf(buf, "numa_hit %lu\n" "numa_miss %lu\n" "numa_foreign %lu\n" "interleave_hit %lu\n" "local_node %lu\n" "other_node %lu\n", sum_zone_numa_state(dev->id, NUMA_HIT), sum_zone_numa_state(dev->id, NUMA_MISS), sum_zone_numa_state(dev->id, NUMA_FOREIGN), sum_zone_numa_state(dev->id, NUMA_INTERLEAVE_HIT), sum_zone_numa_state(dev->id, NUMA_LOCAL), sum_zone_numa_state(dev->id, NUMA_OTHER));}static DEVICE_ATTR(numastat, S_IRUGO, node_read_numastat, NULL); static ssize_t node_read_vmstat(struct device *dev, struct device_attribute *attr, char *buf){ int nid = dev->id; struct pglist_data *pgdat = NODE_DATA(nid); int i; int n = 0; for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) n += sprintf(buf+n, "%s %lu\n", vmstat_text[i], sum_zone_node_page_state(nid, i)); #ifdef CONFIG_NUMA for (i = 0; i < NR_VM_NUMA_STAT_ITEMS; i++) n += sprintf(buf+n, "%s %lu\n", vmstat_text[i + NR_VM_ZONE_STAT_ITEMS], sum_zone_numa_state(nid, i));Lines 1–500 of 1029. Load more
// SPDX-License-Identifier: GPL-2.0 /* * Basic Node interface support */ #include <linux/module.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/memory.h> #include <linux/vmstat.h> #include <linux/notifier.h> #include <linux/node.h> #include <linux/hugetlb.h> #include <linux/compaction.h> #include <linux/cpumask.h> #include <linux/topology.h> #include <linux/nodemask.h> #include <linux/cpu.h> #include <linux/device.h> #include <linux/pm_runtime.h> #include <linux/swap.h> #include <linux/slab.h> static struct bus_type node_subsys = { .name = "node", .dev_name = "node", }; static ssize_t node_read_cpumap(struct device *dev, bool list, char *buf) { ssize_t n; cpumask_var_t mask; struct node *node_dev = to_node(dev); /* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */ BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1)); if (!alloc_cpumask_var(&mask, GFP_KERNEL)) return 0; cpumask_and(mask, cpumask_of_node(node_dev->dev.id), cpu_online_mask); n = cpumap_print_to_pagebuf(list, buf, mask); free_cpumask_var(mask); return n; } static inline ssize_t node_read_cpumask(struct device *dev, struct device_attribute *attr, char *buf) { return node_read_cpumap(dev, false, buf); } static inline ssize_t node_read_cpulist(struct device *dev, struct device_attribute *attr, char *buf) { return node_read_cpumap(dev, true, buf); } static DEVICE_ATTR(cpumap, S_IRUGO, node_read_cpumask, NULL); static DEVICE_ATTR(cpulist, S_IRUGO, node_read_cpulist, NULL); /** * struct node_access_nodes - Access class device to hold user visible * relationships to other nodes. * @dev: Device for this memory access class * @list_node: List element in the node's access list * @access: The access class rank * @hmem_attrs: Heterogeneous memory performance attributes */ struct node_access_nodes { struct device dev; struct list_head list_node; unsigned access; #ifdef CONFIG_HMEM_REPORTING struct node_hmem_attrs hmem_attrs; #endif }; #define to_access_nodes(dev) container_of(dev, struct node_access_nodes, dev) static struct attribute *node_init_access_node_attrs[] = { NULL, }; static struct attribute *node_targ_access_node_attrs[] = { NULL, }; static const struct attribute_group initiators = { .name = "initiators", .attrs = node_init_access_node_attrs, }; static const struct attribute_group targets = { .name = "targets", .attrs = node_targ_access_node_attrs, }; static const struct attribute_group *node_access_node_groups[] = { &initiators, &targets, NULL, }; static void node_remove_accesses(struct node *node) { struct node_access_nodes *c, *cnext; list_for_each_entry_safe(c, cnext, &node->access_list, list_node) { list_del(&c->list_node); device_unregister(&c->dev); } } static void node_access_release(struct device *dev) { kfree(to_access_nodes(dev)); } static struct node_access_nodes *node_init_node_access(struct node *node, unsigned access) { struct node_access_nodes *access_node; struct device *dev; list_for_each_entry(access_node, &node->access_list, list_node) if (access_node->access == access) return access_node; access_node = kzalloc(sizeof(*access_node), GFP_KERNEL); if (!access_node) return NULL; access_node->access = access; dev = &access_node->dev; dev->parent = &node->dev; dev->release = node_access_release; dev->groups = node_access_node_groups; if (dev_set_name(dev, "access%u", access)) goto free; if (device_register(dev)) goto free_name; pm_runtime_no_callbacks(dev); list_add_tail(&access_node->list_node, &node->access_list); return access_node; free_name: kfree_const(dev->kobj.name); free: kfree(access_node); return NULL; } #ifdef CONFIG_HMEM_REPORTING #define ACCESS_ATTR(name) \ static ssize_t name##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ return sprintf(buf, "%u\n", to_access_nodes(dev)->hmem_attrs.name); \ } \ static DEVICE_ATTR_RO(name); ACCESS_ATTR(read_bandwidth) ACCESS_ATTR(read_latency) ACCESS_ATTR(write_bandwidth) ACCESS_ATTR(write_latency) static struct attribute *access_attrs[] = { &dev_attr_read_bandwidth.attr, &dev_attr_read_latency.attr, &dev_attr_write_bandwidth.attr, &dev_attr_write_latency.attr, NULL, }; /** * node_set_perf_attrs - Set the performance values for given access class * @nid: Node identifier to be set * @hmem_attrs: Heterogeneous memory performance attributes * @access: The access class the for the given attributes */ void node_set_perf_attrs(unsigned int nid, struct node_hmem_attrs *hmem_attrs, unsigned access) { struct node_access_nodes *c; struct node *node; int i; if (WARN_ON_ONCE(!node_online(nid))) return; node = node_devices[nid]; c = node_init_node_access(node, access); if (!c) return; c->hmem_attrs = *hmem_attrs; for (i = 0; access_attrs[i] != NULL; i++) { if (sysfs_add_file_to_group(&c->dev.kobj, access_attrs[i], "initiators")) { pr_info("failed to add performance attribute to node %d\n", nid); break; } } } /** * struct node_cache_info - Internal tracking for memory node caches * @dev: Device represeting the cache level * @node: List element for tracking in the node * @cache_attrs:Attributes for this cache level */ struct node_cache_info { struct device dev; struct list_head node; struct node_cache_attrs cache_attrs; }; #define to_cache_info(device) container_of(device, struct node_cache_info, dev) #define CACHE_ATTR(name, fmt) \ static ssize_t name##_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ return sprintf(buf, fmt "\n", to_cache_info(dev)->cache_attrs.name);\ } \ DEVICE_ATTR_RO(name); CACHE_ATTR(size, "%llu") CACHE_ATTR(line_size, "%u") CACHE_ATTR(indexing, "%u") CACHE_ATTR(write_policy, "%u") static struct attribute *cache_attrs[] = { &dev_attr_indexing.attr, &dev_attr_size.attr, &dev_attr_line_size.attr, &dev_attr_write_policy.attr, NULL, }; ATTRIBUTE_GROUPS(cache); static void node_cache_release(struct device *dev) { kfree(dev); } static void node_cacheinfo_release(struct device *dev) { struct node_cache_info *info = to_cache_info(dev); kfree(info); } static void node_init_cache_dev(struct node *node) { struct device *dev; dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return; dev->parent = &node->dev; dev->release = node_cache_release; if (dev_set_name(dev, "memory_side_cache")) goto free_dev; if (device_register(dev)) goto free_name; pm_runtime_no_callbacks(dev); node->cache_dev = dev; return; free_name: kfree_const(dev->kobj.name); free_dev: kfree(dev); } /** * node_add_cache() - add cache attribute to a memory node * @nid: Node identifier that has new cache attributes * @cache_attrs: Attributes for the cache being added */ void node_add_cache(unsigned int nid, struct node_cache_attrs *cache_attrs) { struct node_cache_info *info; struct device *dev; struct node *node; if (!node_online(nid) || !node_devices[nid]) return; node = node_devices[nid]; list_for_each_entry(info, &node->cache_attrs, node) { if (info->cache_attrs.level == cache_attrs->level) { dev_warn(&node->dev, "attempt to add duplicate cache level:%d\n", cache_attrs->level); return; } } if (!node->cache_dev) node_init_cache_dev(node); if (!node->cache_dev) return; info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) return; dev = &info->dev; dev->parent = node->cache_dev; dev->release = node_cacheinfo_release; dev->groups = cache_groups; if (dev_set_name(dev, "index%d", cache_attrs->level)) goto free_cache; info->cache_attrs = *cache_attrs; if (device_register(dev)) { dev_warn(&node->dev, "failed to add cache level:%d\n", cache_attrs->level); goto free_name; } pm_runtime_no_callbacks(dev); list_add_tail(&info->node, &node->cache_attrs); return; free_name: kfree_const(dev->kobj.name); free_cache: kfree(info); } static void node_remove_caches(struct node *node) { struct node_cache_info *info, *next; if (!node->cache_dev) return; list_for_each_entry_safe(info, next, &node->cache_attrs, node) { list_del(&info->node); device_unregister(&info->dev); } device_unregister(node->cache_dev); } static void node_init_caches(unsigned int nid) { INIT_LIST_HEAD(&node_devices[nid]->cache_attrs); } #else static void node_init_caches(unsigned int nid) { } static void node_remove_caches(struct node *node) { } #endif #define K(x) ((x) << (PAGE_SHIFT - 10)) static ssize_t node_read_meminfo(struct device *dev, struct device_attribute *attr, char *buf) { int n; int nid = dev->id; struct pglist_data *pgdat = NODE_DATA(nid); struct sysinfo i; unsigned long sreclaimable, sunreclaimable; si_meminfo_node(&i, nid); sreclaimable = node_page_state(pgdat, NR_SLAB_RECLAIMABLE); sunreclaimable = node_page_state(pgdat, NR_SLAB_UNRECLAIMABLE); n = sprintf(buf, "Node %d MemTotal: %8lu kB\n" "Node %d MemFree: %8lu kB\n" "Node %d MemUsed: %8lu kB\n" "Node %d Active: %8lu kB\n" "Node %d Inactive: %8lu kB\n" "Node %d Active(anon): %8lu kB\n" "Node %d Inactive(anon): %8lu kB\n" "Node %d Active(file): %8lu kB\n" "Node %d Inactive(file): %8lu kB\n" "Node %d Unevictable: %8lu kB\n" "Node %d Mlocked: %8lu kB\n", nid, K(i.totalram), nid, K(i.freeram), nid, K(i.totalram - i.freeram), nid, K(node_page_state(pgdat, NR_ACTIVE_ANON) + node_page_state(pgdat, NR_ACTIVE_FILE)), nid, K(node_page_state(pgdat, NR_INACTIVE_ANON) + node_page_state(pgdat, NR_INACTIVE_FILE)), nid, K(node_page_state(pgdat, NR_ACTIVE_ANON)), nid, K(node_page_state(pgdat, NR_INACTIVE_ANON)), nid, K(node_page_state(pgdat, NR_ACTIVE_FILE)), nid, K(node_page_state(pgdat, NR_INACTIVE_FILE)), nid, K(node_page_state(pgdat, NR_UNEVICTABLE)), nid, K(sum_zone_node_page_state(nid, NR_MLOCK))); #ifdef CONFIG_HIGHMEM n += sprintf(buf + n, "Node %d HighTotal: %8lu kB\n" "Node %d HighFree: %8lu kB\n" "Node %d LowTotal: %8lu kB\n" "Node %d LowFree: %8lu kB\n", nid, K(i.totalhigh), nid, K(i.freehigh), nid, K(i.totalram - i.totalhigh), nid, K(i.freeram - i.freehigh)); #endif n += sprintf(buf + n, "Node %d Dirty: %8lu kB\n" "Node %d Writeback: %8lu kB\n" "Node %d FilePages: %8lu kB\n" "Node %d Mapped: %8lu kB\n" "Node %d AnonPages: %8lu kB\n" "Node %d Shmem: %8lu kB\n" "Node %d KernelStack: %8lu kB\n" "Node %d PageTables: %8lu kB\n" "Node %d NFS_Unstable: %8lu kB\n" "Node %d Bounce: %8lu kB\n" "Node %d WritebackTmp: %8lu kB\n" "Node %d KReclaimable: %8lu kB\n" "Node %d Slab: %8lu kB\n" "Node %d SReclaimable: %8lu kB\n" "Node %d SUnreclaim: %8lu kB\n" #ifdef CONFIG_TRANSPARENT_HUGEPAGE "Node %d AnonHugePages: %8lu kB\n" "Node %d ShmemHugePages: %8lu kB\n" "Node %d ShmemPmdMapped: %8lu kB\n" #endif , nid, K(node_page_state(pgdat, NR_FILE_DIRTY)), nid, K(node_page_state(pgdat, NR_WRITEBACK)), nid, K(node_page_state(pgdat, NR_FILE_PAGES)), nid, K(node_page_state(pgdat, NR_FILE_MAPPED)), nid, K(node_page_state(pgdat, NR_ANON_MAPPED)), nid, K(i.sharedram), nid, sum_zone_node_page_state(nid, NR_KERNEL_STACK_KB), nid, K(sum_zone_node_page_state(nid, NR_PAGETABLE)), nid, K(node_page_state(pgdat, NR_UNSTABLE_NFS)), nid, K(sum_zone_node_page_state(nid, NR_BOUNCE)), nid, K(node_page_state(pgdat, NR_WRITEBACK_TEMP)), nid, K(sreclaimable + node_page_state(pgdat, NR_KERNEL_MISC_RECLAIMABLE)), nid, K(sreclaimable + sunreclaimable), nid, K(sreclaimable), nid, K(sunreclaimable) #ifdef CONFIG_TRANSPARENT_HUGEPAGE , nid, K(node_page_state(pgdat, NR_ANON_THPS) * HPAGE_PMD_NR), nid, K(node_page_state(pgdat, NR_SHMEM_THPS) * HPAGE_PMD_NR), nid, K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR) #endif ); n += hugetlb_report_node_meminfo(nid, buf + n); return n; } #undef K static DEVICE_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL); static ssize_t node_read_numastat(struct device *dev, struct device_attribute *attr, char *buf) { return sprintf(buf, "numa_hit %lu\n" "numa_miss %lu\n" "numa_foreign %lu\n" "interleave_hit %lu\n" "local_node %lu\n" "other_node %lu\n", sum_zone_numa_state(dev->id, NUMA_HIT), sum_zone_numa_state(dev->id, NUMA_MISS), sum_zone_numa_state(dev->id, NUMA_FOREIGN), sum_zone_numa_state(dev->id, NUMA_INTERLEAVE_HIT), sum_zone_numa_state(dev->id, NUMA_LOCAL), sum_zone_numa_state(dev->id, NUMA_OTHER)); } static DEVICE_ATTR(numastat, S_IRUGO, node_read_numastat, NULL); static ssize_t node_read_vmstat(struct device *dev, struct device_attribute *attr, char *buf) { int nid = dev->id; struct pglist_data *pgdat = NODE_DATA(nid); int i; int n = 0; for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) n += sprintf(buf+n, "%s %lu\n", vmstat_text[i], sum_zone_node_page_state(nid, i)); #ifdef CONFIG_NUMA for (i = 0; i < NR_VM_NUMA_STAT_ITEMS; i++) n += sprintf(buf+n, "%s %lu\n", vmstat_text[i + NR_VM_ZONE_STAT_ITEMS], sum_zone_numa_state(nid, i));