memcg: put soft limit reclaim out of way if the excess tree is empty

[cascardo/linux.git] / mm / memory-failure.c

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 11de752..de88f33 100644 (file)
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -741,8 +741,6 @@ static int me_huge_page(struct page *p, unsigned long pfn)
         * page->lru because it can be used in other hugepage operations,
         * such as __unmap_hugepage_range() and gather_surplus_pages().
         * So instead we use page_mapping() and PageAnon().
-        * We assume that this function is called with page lock held,
-        * so there is no race between isolation and mapping/unmapping.
         */
        if (!(page_mapping(hpage) || PageAnon(hpage))) {
                res = dequeue_hwpoisoned_huge_page(hpage);