/* SPDX-License-Identifier: GPL-2.0 */#undef TRACE_SYSTEM#define TRACE_SYSTEM page_ref #if !defined(_TRACE_PAGE_REF_H) || defined(TRACE_HEADER_MULTI_READ)#define _TRACE_PAGE_REF_H #include <linux/types.h>#include <linux/page_ref.h>#include <linux/tracepoint.h>#include <trace/events/mmflags.h> DECLARE_EVENT_CLASS(page_ref_mod_template, 	TP_PROTO(struct page *page, int v), 	TP_ARGS(page, v), 	TP_STRUCT__entry(		__field(unsigned long, pfn)		__field(unsigned long, flags)		__field(int, count)		__field(int, mapcount)		__field(void *, mapping)		__field(int, mt)		__field(int, val)	), 	TP_fast_assign(		__entry->pfn = page_to_pfn(page);		__entry->flags = page->flags.f;		__entry->count = page_ref_count(page);		__entry->mapcount = atomic_read(&page->_mapcount);		__entry->mapping = page->mapping;		__entry->mt = get_pageblock_migratetype(page);		__entry->val = v;	), 	TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d",		__entry->pfn,		show_page_flags(__entry->flags & PAGEFLAGS_MASK),		__entry->count,		__entry->mapcount, __entry->mapping, __entry->mt,		__entry->val)); DEFINE_EVENT(page_ref_mod_template, page_ref_set, 	TP_PROTO(struct page *page, int v), 	TP_ARGS(page, v)); DEFINE_EVENT(page_ref_mod_template, page_ref_mod, 	TP_PROTO(struct page *page, int v), 	TP_ARGS(page, v)); DECLARE_EVENT_CLASS(page_ref_mod_and_test_template, 	TP_PROTO(struct page *page, int v, int ret), 	TP_ARGS(page, v, ret), 	TP_STRUCT__entry(		__field(unsigned long, pfn)		__field(unsigned long, flags)		__field(int, count)		__field(int, mapcount)		__field(void *, mapping)		__field(int, mt)		__field(int, val)		__field(int, ret)	), 	TP_fast_assign(		__entry->pfn = page_to_pfn(page);		__entry->flags = page->flags.f;		__entry->count = page_ref_count(page);		__entry->mapcount = atomic_read(&page->_mapcount);		__entry->mapping = page->mapping;		__entry->mt = get_pageblock_migratetype(page);		__entry->val = v;		__entry->ret = ret;	), 	TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d ret=%d",		__entry->pfn,		show_page_flags(__entry->flags & PAGEFLAGS_MASK),		__entry->count,		__entry->mapcount, __entry->mapping, __entry->mt,		__entry->val, __entry->ret)); DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_test, 	TP_PROTO(struct page *page, int v, int ret), 	TP_ARGS(page, v, ret)); DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_return, 	TP_PROTO(struct page *page, int v, int ret), 	TP_ARGS(page, v, ret)); DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_unless, 	TP_PROTO(struct page *page, int v, int ret), 	TP_ARGS(page, v, ret)); DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_freeze, 	TP_PROTO(struct page *page, int v, int ret), 	TP_ARGS(page, v, ret)); DEFINE_EVENT(page_ref_mod_template, page_ref_unfreeze, 	TP_PROTO(struct page *page, int v), 	TP_ARGS(page, v)); #endif /* _TRACE_PAGE_COUNT_H */ /* This part must be outside protection */#include <trace/define_trace.h>