Messages in this thread | | | Date | Wed, 12 Oct 2016 10:34:50 +0200 | From | Michal Hocko <> | Subject | Re: [PATCH v3 3/4] mm: try to exhaust highatomic reserve before the OOM |
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Looks much better. Thanks! I am wondering whether we want to have this marked for stable. The patch is quite non-intrusive and fires only when we are really OOM. It is definitely better to try harder than go and disrupt the system by the OOM killer. So I would add Fixes: 0aaa29a56e4f ("mm, page_alloc: reserve pageblocks for high-order atomic allocations on demand") Cc: stable # 4.4+
The backport will look slightly different for kernels prior 4.6 because we do not have should_reclaim_retry yet but the check might hook right before __alloc_pages_may_oom. -- Michal Hocko SUSE Labs
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