diff options
| author | Ben Widawsky <benjamin.widawsky@intel.com> | 2013-11-27 16:52:08 -0800 |
|---|---|---|
| committer | Ben Widawsky <benjamin.widawsky@intel.com> | 2013-12-06 11:00:25 -0800 |
| commit | 7eae4c845ee80ad2ade3461f0291b83edd1207d9 (patch) | |
| tree | ca629665e4cadb2535e84301a11d4d49f9c9b2bf | |
| parent | 6cfcfaa6dcf40cc608f7c3cd1fd33fdf33d4be83 (diff) | |
Deadlock with OOM lock, and struct_mutex where we invoke the OOM killer
while holding struct_mutex, and unsuccessfully try to kill (because
close requires struct_mutex) other processes using a lot of GEM memory.
Authored-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
| -rw-r--r-- | mm/page_alloc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 580a5f075ed0..708c0382c931 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2467,6 +2467,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, bool sync_migration = false; bool deferred_compaction = false; bool contended_compaction = false; + int retry = 5*HZ; /* * In the slowpath, we sanity check order to avoid ever trying to @@ -2619,6 +2620,9 @@ rebalance: goto nopage; } + if (!--retry) + goto nopage; + goto restart; } } |