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-rw-r--r--mm/memcontrol.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 87c2ec49b482..29bc4400378d 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3093,8 +3093,6 @@ void mem_cgroup_uncharge_cache_page(struct page *page)
{
VM_BUG_ON(page_mapped(page));
VM_BUG_ON(page->mapping);
- if (PageSwapCache(page))
- return;
__mem_cgroup_uncharge_common(page, MEM_CGROUP_CHARGE_TYPE_CACHE, false);
}
@@ -3159,8 +3157,6 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout)
if (!swapout) /* this was a swap cache but the swap is unused ! */
ctype = MEM_CGROUP_CHARGE_TYPE_DROP;
- if (PageSwapCache(page))
- return;
memcg = __mem_cgroup_uncharge_common(page, ctype, false);
/*
@@ -3350,11 +3346,10 @@ void mem_cgroup_end_migration(struct mem_cgroup *memcg,
unused = oldpage;
}
anon = PageAnon(used);
- if (!PageSwapCache(unused))
- __mem_cgroup_uncharge_common(unused,
- anon ? MEM_CGROUP_CHARGE_TYPE_ANON
- : MEM_CGROUP_CHARGE_TYPE_CACHE,
- true);
+ __mem_cgroup_uncharge_common(unused,
+ anon ? MEM_CGROUP_CHARGE_TYPE_ANON
+ : MEM_CGROUP_CHARGE_TYPE_CACHE,
+ true);
css_put(&memcg->css);
/*
* We disallowed uncharge of pages under migration because mapcount