diff options
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 79f3bf047f38..02f0bfc3c80a 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1287,21 +1287,17 @@ void page_add_new_anon_rmap(struct page *page, */ void page_add_file_rmap(struct page *page) { - struct mem_cgroup *memcg; - - memcg = mem_cgroup_begin_page_stat(page); + lock_page_memcg(page); if (atomic_inc_and_test(&page->_mapcount)) { __inc_zone_page_state(page, NR_FILE_MAPPED); - mem_cgroup_inc_page_stat(memcg, MEM_CGROUP_STAT_FILE_MAPPED); + mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED); } - mem_cgroup_end_page_stat(memcg); + unlock_page_memcg(page); } static void page_remove_file_rmap(struct page *page) { - struct mem_cgroup *memcg; - - memcg = mem_cgroup_begin_page_stat(page); + lock_page_memcg(page); /* Hugepages are not counted in NR_FILE_MAPPED for now. */ if (unlikely(PageHuge(page))) { @@ -1320,12 +1316,12 @@ static void page_remove_file_rmap(struct page *page) * pte lock(a spinlock) is held, which implies preemption disabled. */ __dec_zone_page_state(page, NR_FILE_MAPPED); - mem_cgroup_dec_page_stat(memcg, MEM_CGROUP_STAT_FILE_MAPPED); + mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED); if (unlikely(PageMlocked(page))) clear_page_mlock(page); out: - mem_cgroup_end_page_stat(memcg); + unlock_page_memcg(page); } static void page_remove_anon_compound_rmap(struct page *page) |