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net: page_pool: report amount of memory held by page pools

Advanced deployments need the ability to check memory use of various system components. It makes it possible to make informed decisions about memory allocation and to find regressions and leaks. Report memory use of page pools. Report both number of references and bytes held.

Jakub Kicinski committed 2 years ago

Commit 7aee8421 parent d2ef6aa5 files · +36 −4Browse files

Showing the changes to include/uapi (1 of 5 files). Show all

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include/uapi/linux/netdev.h+2−0
@@ -68,6 +68,8 @@ enum { · 67 unmodified lines
6868 NETDEV_A_PAGE_POOL_ID = 1,
6969 NETDEV_A_PAGE_POOL_IFINDEX,
7070 NETDEV_A_PAGE_POOL_NAPI_ID,
71+ NETDEV_A_PAGE_POOL_INFLIGHT,
72+ NETDEV_A_PAGE_POOL_INFLIGHT_MEM,
7173
7274 __NETDEV_A_PAGE_POOL_MAX,
7375 NETDEV_A_PAGE_POOL_MAX = (__NETDEV_A_PAGE_POOL_MAX - 1)

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