summaryrefslogtreecommitdiff
path: root/mm
diff options
context:
space:
mode:
Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c2
-rw-r--r--mm/memory-failure.c7
2 files changed, 8 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 2a800c4a39bd..50088150fc17 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5531,7 +5531,7 @@ static void uncharge_list(struct list_head *page_list)
next = page->lru.next;
VM_BUG_ON_PAGE(PageLRU(page), page);
- VM_BUG_ON_PAGE(page_count(page), page);
+ VM_BUG_ON_PAGE(!PageHWPoison(page) && page_count(page), page);
if (!page->mem_cgroup)
continue;
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index ce7d416edab7..5aa71a82ca73 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -535,6 +535,13 @@ static int delete_from_lru_cache(struct page *p)
*/
ClearPageActive(p);
ClearPageUnevictable(p);
+
+ /*
+ * Poisoned page might never drop its ref count to 0 so we have
+ * to uncharge it manually from its memcg.
+ */
+ mem_cgroup_uncharge(p);
+
/*
* drop the page count elevated by isolate_lru_page()
*/