diff options
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 4253e14fa70..3338c443272 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -737,7 +737,7 @@ static void hwpoison_user_mappings(struct page *p, unsigned long pfn, ret != SWAP_SUCCESS, pfn); } -int __memory_failure(unsigned long pfn, int trapno, int ref) +int __memory_failure(unsigned long pfn, int trapno, int flags) { unsigned long lru_flag; struct page_state *ps; @@ -773,7 +773,8 @@ int __memory_failure(unsigned long pfn, int trapno, int ref) * In fact it's dangerous to directly bump up page count from 0, * that may make page_freeze_refs()/page_unfreeze_refs() mismatch. */ - if (!ref && !get_page_unless_zero(compound_head(p))) { + if (!(flags & MF_COUNT_INCREASED) && + !get_page_unless_zero(compound_head(p))) { action_result(pfn, "free or high order kernel", IGNORED); return PageBuddy(compound_head(p)) ? 0 : -EBUSY; } |