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| author | Hugh Dickins <hughd@google.com> | 2016-01-15 00:21:37 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-15 01:00:49 +0100 |
| commit | 686739f6af5e8d5687ffebbf1193ff066aada6d9 (patch) | |
| tree | efb5e9dbd6cdc5be2e8072ea81651bc0a13aecdc /mm/maccess.c | |
| parent | mm: memcontrol: switch to the updated jump-label API (diff) | |
| download | linux-686739f6af5e8d5687ffebbf1193ff066aada6d9.tar.xz linux-686739f6af5e8d5687ffebbf1193ff066aada6d9.zip | |
memcg: avoid vmpressure oops when memcg disabled
A CONFIG_MEMCG=y kernel booted with "cgroup_disable=memory" crashes on a
NULL memcg (but non-NULL root_mem_cgroup) when vmpressure kicks in.
Here's the patch I use to avoid that, but you might prefer a test on
mem_cgroup_disabled() somewhere.
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Vladimir Davydov <vdavydov@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/maccess.c')
0 files changed, 0 insertions, 0 deletions