aboutsummaryrefslogtreecommitdiffstats
path: root/firmware
diff options
context:
space:
mode:
authorJohannes Weiner <hannes@cmpxchg.org>2013-10-31 16:34:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-10-31 16:58:13 -0700
commit3168ecbe1c04ec3feb7cb42388a17d7f047fe1a2 (patch)
treeb8e0a03d787c2219b1d1fd833193de7abc59442e /firmware
parent12aee278b50c4a94a93fa0b4d201ae35d792c696 (diff)
downloadkernel_goldelico_gta04-3168ecbe1c04ec3feb7cb42388a17d7f047fe1a2.zip
kernel_goldelico_gta04-3168ecbe1c04ec3feb7cb42388a17d7f047fe1a2.tar.gz
kernel_goldelico_gta04-3168ecbe1c04ec3feb7cb42388a17d7f047fe1a2.tar.bz2
mm: memcg: use proper memcg in limit bypass
Commit 84235de394d9 ("fs: buffer: move allocation failure loop into the allocator") allowed __GFP_NOFAIL allocations to bypass the limit if they fail to reclaim enough memory for the charge. But because the main test case was on a 3.2-based system, the patch missed the fact that on newer kernels the charge function needs to return root_mem_cgroup when bypassing the limit, and not NULL. This will corrupt whatever memory is at NULL + percpu pointer offset. Fix this quickly before problems are reported. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Michal Hocko <mhocko@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'firmware')
0 files changed, 0 insertions, 0 deletions