#undef TRACE_SYSTEM#define TRACE_SYSTEM filemap #if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ)#define _TRACE_FILEMAP_H #include <linux/types.h>#include <linux/tracepoint.h>#include <linux/mm.h>#include <linux/memcontrol.h>#include <linux/device.h>#include <linux/kdev_t.h> DECLARE_EVENT_CLASS(mm_filemap_op_page_cache, 	TP_PROTO(struct page *page), 	TP_ARGS(page), 	TP_STRUCT__entry(		__field(struct page *, page)		__field(unsigned long, i_ino)		__field(unsigned long, index)		__field(dev_t, s_dev)	), 	TP_fast_assign(		__entry->page = page;		__entry->i_ino = page->mapping->host->i_ino;		__entry->index = page->index;		if (page->mapping->host->i_sb)			__entry->s_dev = page->mapping->host->i_sb->s_dev;		else			__entry->s_dev = page->mapping->host->i_rdev;	), 	TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu",		MAJOR(__entry->s_dev), MINOR(__entry->s_dev),		__entry->i_ino,		__entry->page,		page_to_pfn(__entry->page),		__entry->index << PAGE_SHIFT)); DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,	TP_PROTO(struct page *page),	TP_ARGS(page)	); DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache,	TP_PROTO(struct page *page),	TP_ARGS(page)	); #endif /* _TRACE_FILEMAP_H */ /* This part must be outside protection */#include <trace/define_trace.h>