Messages in this thread Patch in this message | | | Date | Tue, 24 Jan 2017 11:27:23 +0000 | From | Mel Gorman <> | Subject | [PATCH] mm, page_alloc: Split buffered_rmqueue -fix |
| |
Vlastimil Babka pointed out that a failed per-cpu refill on a kernel with CONFIG_DEBUG_VM may blow up on a VM_BUG_ON_PAGE. This patch is a fix to the mmotm patch mm-page_alloc-split-buffered_rmqueue.patch
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index c075831c3a1a..5a04636ccc05 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2697,7 +2697,7 @@ struct page *rmqueue(struct zone *preferred_zone, local_irq_restore(flags); out: - VM_BUG_ON_PAGE(bad_range(zone, page), page); + VM_BUG_ON_PAGE(page && bad_range(zone, page), page); return page; failed:
| |