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| author |   Mark Brown <broonie@kernel.org> | 2015-03-26 17:50:42 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-03-26 17:50:42 -0700 |
| commit | 1be38e041f8eaa935f370aa0f34dd7a2fe39b1d8 (patch) | |
| tree | 2d89734fc831593784bd411be03a1b9649de4c9d /mm/page_alloc.c | |
| parent | spi: bcm2835: enable support of 3-wire mode (diff) | |
| parent | Linux 4.0-rc5 (diff) | |
| download | wireguard-linux-1be38e041f8eaa935f370aa0f34dd7a2fe39b1d8.tar.xz wireguard-linux-1be38e041f8eaa935f370aa0f34dd7a2fe39b1d8.zip | |
Merge tag 'v4.0-rc5' into spi-bcm2835
Linux 4.0-rc5
Diffstat (limited to '')
| -rw-r--r-- | mm/page_alloc.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a47f0b229a1a..40e29429e7b0 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2353,8 +2353,15 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order, if (ac->high_zoneidx < ZONE_NORMAL) goto out; /* The OOM killer does not compensate for light reclaim */ - if (!(gfp_mask & __GFP_FS)) + if (!(gfp_mask & __GFP_FS)) { + /* + * XXX: Page reclaim didn't yield anything, + * and the OOM killer can't be invoked, but + * keep looping as per should_alloc_retry(). + */ + *did_some_progress = 1; goto out; + } /* * GFP_THISNODE contains __GFP_NORETRY and we never hit this. * Sanity check for bare calls of __GFP_THISNODE, not real OOM. @@ -2366,7 +2373,8 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order, goto out; } /* Exhausted what can be done so it's blamo time */ - if (out_of_memory(ac->zonelist, gfp_mask, order, ac->nodemask, false)) + if (out_of_memory(ac->zonelist, gfp_mask, order, ac->nodemask, false) + || WARN_ON_ONCE(gfp_mask & __GFP_NOFAIL)) *did_some_progress = 1; out: oom_zonelist_unlock(ac->zonelist, gfp_mask); |