Messages in this thread | | | Date | Mon, 05 Jan 2015 21:45:32 -0500 | From | Rik van Riel <> | Subject | Re: [PATCH V3 1/2] mm, vmscan: prevent kswapd livelock due to pfmemalloc-throttled process being killed |
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On 01/05/2015 03:56 AM, Vlastimil Babka wrote: > Charles Shirron and Paul Cassella from Cray Inc have reported > kswapd stuck in a busy loop with nothing left to balance, but > kswapd_try_to_sleep() failing to sleep. Their analysis found the > cause to be a combination of several factors:
> Fixes: 5515061d22f0 ("mm: throttle direct reclaimers if PF_MEMALLOC > reserves are low and swap is backed by network storage") > Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: > Vladimir Davydov <vdavydov@parallels.com> Cc: > <stable@vger.kernel.org> # v3.6+ Cc: Mel Gorman > <mgorman@suse.de> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: > Michal Hocko <mhocko@suse.cz> Cc: Rik van Riel <riel@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
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