diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index bdd5c432c426..2bbe7208a441 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -46,6 +46,7 @@ #include <linux/page-isolation.h> #include <linux/memcontrol.h> #include <linux/debugobjects.h> +#include <linux/marker.h> #include <asm/tlbflush.h> #include <asm/div64.h> @@ -528,6 +529,9 @@ static void __free_pages_ok(struct page *page, unsigned int order) int i; int reserved = 0; + trace_mark(mm_page_free, "order %u pfn %lu", + order, page_to_pfn(page)); + for (i = 0 ; i < (1 << order) ; ++i) reserved += free_pages_check(page + i); if (reserved) @@ -994,6 +998,8 @@ static void free_hot_cold_page(struct page *page, int cold) struct per_cpu_pages *pcp; unsigned long flags; + trace_mark(mm_page_free, "order %u pfn %lu", 0, page_to_pfn(page)); + if (PageAnon(page)) page->mapping = NULL; if (free_pages_check(page)) @@ -1655,6 +1661,9 @@ nopage: show_mem(); } got_pg: + if (page) + trace_mark(mm_page_alloc, "order %u pfn %lu", order, + page_to_pfn(page)); return page; } |