diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 254698856b8f..8b35bdbdc214 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -739,6 +739,12 @@ static inline bool mem_cgroup_oom_synchronize(bool wait) return false; } +static inline void mem_cgroup_update_page_stat(struct page *page, + enum mem_cgroup_stat_index idx, + int nr) +{ +} + static inline void mem_cgroup_inc_page_stat(struct page *page, enum mem_cgroup_stat_index idx) { diff --git a/mm/rmap.c b/mm/rmap.c index 1ef36404e7b2..cd37c1c7e21b 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1295,7 +1295,7 @@ void page_add_file_rmap(struct page *page, bool compound) goto out; } __mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, nr); - mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED); + mem_cgroup_update_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED, nr); out: unlock_page_memcg(page); } @@ -1335,7 +1335,7 @@ static void page_remove_file_rmap(struct page *page, bool compound) * pte lock(a spinlock) is held, which implies preemption disabled. */ __mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, -nr); - mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED); + mem_cgroup_update_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED, -nr); if (unlikely(PageMlocked(page))) clear_page_mlock(page);