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author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2016-02-06 00:36:36 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-02-06 03:10:40 +0100 |
commit | cf2a82ee432730ab25c21d054c67f296af4fc4bd (patch) | |
tree | fac6337408fc709cc9b9978681d0847178677e44 /mm | |
parent | mempolicy: do not try to queue pages from !vma_migratable() (diff) | |
download | linux-cf2a82ee432730ab25c21d054c67f296af4fc4bd.tar.xz linux-cf2a82ee432730ab25c21d054c67f296af4fc4bd.zip |
mm: downgrade VM_BUG in isolate_lru_page() to warning
Calling isolate_lru_page() is wrong and shouldn't happen, but it not
nessesary fatal: the page just will not be isolated if it's not on LRU.
Let's downgrade the VM_BUG_ON_PAGE() to WARN_RATELIMIT().
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r-- | mm/vmscan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index eb3dd37ccd7c..71b1c29948db 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1443,7 +1443,7 @@ int isolate_lru_page(struct page *page) int ret = -EBUSY; VM_BUG_ON_PAGE(!page_count(page), page); - VM_BUG_ON_PAGE(PageTail(page), page); + WARN_RATELIMIT(PageTail(page), "trying to isolate tail page"); if (PageLRU(page)) { struct zone *zone = page_zone(page); |