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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-12-07 16:30:11 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-12-07 16:30:11 -0300 |
| commit | 189382f7a338c02b448ab27e1d5566e052165dc8 (patch) | |
| tree | 14903209649ee76584b17afa492e31a0c9460c27 /mm | |
| parent | 62e27076b7a48d1c8fc4eed59ff75f6382915c46 (diff) | |
Linux-libre 4.8.12-gnupck-4.8.12-gnu
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a2214c64e..7401e9960 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3161,6 +3161,16 @@ should_compact_retry(struct alloc_context *ac, unsigned int order, int alloc_fla if (!order || order > PAGE_ALLOC_COSTLY_ORDER) return false; +#ifdef CONFIG_COMPACTION + /* + * This is a gross workaround to compensate a lack of reliable compaction + * operation. We cannot simply go OOM with the current state of the compaction + * code because this can lead to pre mature OOM declaration. + */ + if (order <= PAGE_ALLOC_COSTLY_ORDER) + return true; +#endif + /* * There are setups with compaction disabled which would prefer to loop * inside the allocator rather than hit the oom killer prematurely. |