memcg: clear pc->mem_cgroup if necessary.

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / memcontrol.h

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index b80de520670b64a67dc2ceb8b4e4e11c1d623071..4d34356fe644ee5dca447071829ae06ab68eeb60 100644 (file)
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -129,6 +129,7 @@ extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
 extern void mem_cgroup_replace_page_cache(struct page *oldpage,
                                        struct page *newpage);
 
+extern void mem_cgroup_reset_owner(struct page *page);
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
 extern int do_swap_account;
 #endif
@@ -391,6 +392,10 @@ static inline void mem_cgroup_replace_page_cache(struct page *oldpage,
                                struct page *newpage)
 {
 }
+
+static inline void mem_cgroup_reset_owner(struct page *page)
+{
+}
 #endif /* CONFIG_CGROUP_MEM_CONT */
 
 #if !defined(CONFIG_CGROUP_MEM_RES_CTLR) || !defined(CONFIG_DEBUG_VM)