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| author | Linus Walleij <linus.walleij@linaro.org> | 2016-09-23 15:57:16 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-09-23 15:57:16 +0300 |
| commit | 0565f49cfe937640c2347f6d7f40ad2f4e4f088b (patch) | |
| tree | 6067447df39c37946bc2de3ee004f45957bf123e /mm/Kconfig | |
| parent | ccf1e9e1c0072088420aad42797986d6e74366b5 (diff) | |
| parent | 9395452b4aab7bc2475ef8935b4a4fb99d778d70 (diff) | |
| download | linux-0565f49cfe937640c2347f6d7f40ad2f4e4f088b.tar.xz | |
Merge tag 'v4.8-rc6' into devel
Linux 4.8-rc6
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 78a23c5c302d..be0ee11fa0d9 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -262,7 +262,14 @@ config COMPACTION select MIGRATION depends on MMU help - Allows the compaction of memory for the allocation of huge pages. + Compaction is the only memory management component to form + high order (larger physically contiguous) memory blocks + reliably. The page allocator relies on compaction heavily and + the lack of the feature can lead to unexpected OOM killer + invocations for high order memory requests. You shouldn't + disable this option unless there really is a strong reason for + it and then we would be really interested to hear about that at + linux-mm@kvack.org. # # support for page migration |