1 files changed, 5 insertions, 0 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index e1979fdca805..2581826409f2 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -35,6 +35,9 @@
 #include <linux/cleancache.h>
 #include "internal.h"
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/filemap.h>
+
 /*
  * FIXME: remove all knowledge of the buffer layer from the core VM
  */
@@ -113,6 +116,7 @@ void __delete_from_page_cache(struct page *page)
 {
         struct address_space *mapping = page->mapping;
 
+        trace_mm_filemap_delete_from_page_cache(page);
         /*
          * if we're uptodate, flush out into the cleancache, otherwise
          * invalidate any existing cleancache entries.  We can't leave
@@ -464,6 +468,7 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping,
                         mapping->nrpages++;
                         __inc_zone_page_state(page, NR_FILE_PAGES);
                         spin_unlock_irq(&mapping->tree_lock);
+                        trace_mm_filemap_add_to_page_cache(page);
                 } else {
                         page->mapping = NULL;
                         /* Leave page->index set: truncation relies upon it */