#undef TRACE_SYSTEM
#define TRACE_SYSTEM pagemap

#if !defined(_TRACE_PAGEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_PAGEMAP_H

#include <linux/tracepoint.h>
#include <linux/mm.h>

#define	PAGEMAP_MAPPED		0x0001u
#define PAGEMAP_ANONYMOUS	0x0002u
#define PAGEMAP_FILE		0x0004u
#define PAGEMAP_SWAPCACHE	0x0008u
#define PAGEMAP_SWAPBACKED	0x0010u
#define PAGEMAP_MAPPEDDISK	0x0020u
#define PAGEMAP_BUFFERS		0x0040u

#define trace_pagemap_flags(page) ( \
	(PageAnon(page)		? PAGEMAP_ANONYMOUS  : PAGEMAP_FILE) | \
	(page_mapped(page)	? PAGEMAP_MAPPED     : 0) | \
	(PageSwapCache(page)	? PAGEMAP_SWAPCACHE  : 0) | \
	(PageSwapBacked(page)	? PAGEMAP_SWAPBACKED : 0) | \
	(PageMappedToDisk(page)	? PAGEMAP_MAPPEDDISK : 0) | \
	(page_has_private(page) ? PAGEMAP_BUFFERS    : 0) \
	)

TRACE_EVENT(mm_lru_insertion,

	TP_PROTO(
		struct page *page,
		int lru
	),

	TP_ARGS(page, lru),

	TP_STRUCT__entry(
		__field(struct page *,	page	)
		__field(unsigned long,	pfn	)
		__field(int,		lru	)
		__field(unsigned long,	flags	)
	),

	TP_fast_assign(
		__entry->page	= page;
		__entry->pfn	= page_to_pfn(page);
		__entry->lru	= lru;
		__entry->flags	= trace_pagemap_flags(page);
	),

	/* Flag format is based on page-types.c formatting for pagemap */
	TP_printk("page=%p pfn=%lu lru=%d flags=%s%s%s%s%s%s",
			__entry->page,
			__entry->pfn,
			__entry->lru,
			__entry->flags & PAGEMAP_MAPPED		? "M" : " ",
			__entry->flags & PAGEMAP_ANONYMOUS	? "a" : "f",
			__entry->flags & PAGEMAP_SWAPCACHE	? "s" : " ",
			__entry->flags & PAGEMAP_SWAPBACKED	? "b" : " ",
			__entry->flags & PAGEMAP_MAPPEDDISK	? "d" : " ",
			__entry->flags & PAGEMAP_BUFFERS	? "B" : " ")
);

TRACE_EVENT(mm_lru_activate,

	TP_PROTO(struct page *page),

	TP_ARGS(page),

	TP_STRUCT__entry(
		__field(struct page *,	page	)
		__field(unsigned long,	pfn	)
	),

	TP_fast_assign(
		__entry->page	= page;
		__entry->pfn	= page_to_pfn(page);
	),

	/* Flag format is based on page-types.c formatting for pagemap */
	TP_printk("page=%p pfn=%lu", __entry->page, __entry->pfn)

);

#endif /* _TRACE_PAGEMAP_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
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