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| author | Johannes Weiner <hannes@cmpxchg.org> | 2019-12-01 04:55:49 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-01 23:59:07 +0300 |
| commit | 0f6a5cff43d3bcd6aa54c9af267737249d02aa21 (patch) | |
| tree | 7e4a15f6e5cd4360bc705cc5e4287d59ace0b19e /mm/oom_kill.c | |
| parent | afaf07a65ddbdd70871cc3b81463f2a8f3884b6f (diff) | |
| download | linux-0f6a5cff43d3bcd6aa54c9af267737249d02aa21.tar.xz | |
mm: vmscan: split shrink_node() into node part and memcgs part
This function is getting long and unwieldy, split out the memcg bits.
The updated shrink_node() handles the generic (node) reclaim aspects:
- global vmpressure notifications
- writeback and congestion throttling
- reclaim/compaction management
- kswapd giving up on unreclaimable nodes
It then calls a new shrink_node_memcgs() which handles cgroup specifics:
- the cgroup tree traversal
- memory.low considerations
- per-cgroup slab shrinking callbacks
- per-cgroup vmpressure notifications
[hannes@cmpxchg.org: rename "root" to "target_memcg", per Roman]
Link: http://lkml.kernel.org/r/20191025143640.GA386981@cmpxchg.org
Link: http://lkml.kernel.org/r/20191022144803.302233-8-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: 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 'mm/oom_kill.c')
0 files changed, 0 insertions, 0 deletions