diff options
author | Yang Shi <shy828301@gmail.com> | 2021-05-04 18:36:26 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-05-05 11:27:23 -0700 |
commit | 468ab8437a97a953895856c3709e48b3067da13c (patch) | |
tree | 9825960fa4bd466f567148ca655b354e344f191d /include/linux/shrinker.h | |
parent | e4262c4f51d6373447c9d89093f49ff6b1e607be (diff) |
mm: vmscan: add shrinker_info_protected() helper
The shrinker_info is dereferenced in a couple of places via
rcu_dereference_protected with different calling conventions, for
example, using mem_cgroup_nodeinfo helper or dereferencing
memcg->nodeinfo[nid]->shrinker_info. And the later patch will add more
dereference places.
So extract the dereference into a helper to make the code more readable.
No functional change.
[akpm@linux-foundation.org: retain rcu_dereference_protected() in free_shrinker_info(), per Hugh]
Link: https://lkml.kernel.org/r/20210311190845.9708-8-shy828301@gmail.com
Signed-off-by: Yang Shi <shy828301@gmail.com>
Acked-by: Roman Gushchin <guro@fb.com>
Acked-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/shrinker.h')
0 files changed, 0 insertions, 0 deletions