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* [PATCH v2 0/3] Soft limit memory management bug fixes
@ 2021-02-17 20:41 Tim Chen
  2021-02-17 20:41 ` [PATCH v2 1/3] mm: Fix dropped memcg from mem cgroup soft limit tree Tim Chen
                   ` (2 more replies)
  0 siblings, 3 replies; 35+ messages in thread
From: Tim Chen @ 2021-02-17 20:41 UTC (permalink / raw)
  To: Andrew Morton, Johannes Weiner, Michal Hocko, Vladimir Davydov
  Cc: Tim Chen, Dave Hansen, Ying Huang, linux-mm, cgroups, linux-kernel

During testing of tiered memory management based on memory soft limit,
I found three issues with memory management using cgroup based soft
limit in the mainline code.  Fix the issues with the three patches in
this series.  Also updated patch 3 per Johannes' comments on the first
version of this patch.

Thanks.

Tim

Changelog:
v2
1. Do soft limit tree uncharge update in batch of the same node only
for v1 cgroups that have a soft limit.  Batching in nodes is only
relevant for cgroup v1 that has per node soft limit tree. 

Tim Chen (3):
  mm: Fix dropped memcg from mem cgroup soft limit tree
  mm: Force update of mem cgroup soft limit tree on usage excess
  mm: Fix missing mem cgroup soft limit tree updates

 mm/memcontrol.c | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

-- 
2.20.1



^ permalink raw reply	[flat|nested] 35+ messages in thread

end of thread, other threads:[~2021-03-08  8:34 UTC | newest]

Thread overview: 35+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-02-17 20:41 [PATCH v2 0/3] Soft limit memory management bug fixes Tim Chen
2021-02-17 20:41 ` [PATCH v2 1/3] mm: Fix dropped memcg from mem cgroup soft limit tree Tim Chen
2021-02-18  8:24   ` Michal Hocko
2021-02-18 18:30     ` Tim Chen
2021-02-18 19:13       ` Michal Hocko
2021-02-18 19:51         ` Tim Chen
2021-02-18 19:13   ` Michal Hocko
2021-03-04 17:35     ` Tim Chen
2021-03-05  9:11       ` Michal Hocko
2021-03-05 19:07         ` Tim Chen
2021-03-08  8:34           ` Michal Hocko
2021-02-17 20:41 ` [PATCH v2 2/3] mm: Force update of mem cgroup soft limit tree on usage excess Tim Chen
2021-02-19  9:11   ` Michal Hocko
2021-02-19 18:59     ` Tim Chen
2021-02-20 16:23       ` Tim Chen
2021-02-22  8:40       ` Michal Hocko
2021-02-22 17:41         ` Tim Chen
2021-02-22 19:09           ` Michal Hocko
2021-02-22 19:23             ` Tim Chen
2021-02-22 19:48             ` Tim Chen
2021-02-24 11:53               ` Michal Hocko
2021-02-25 22:48                 ` Tim Chen
2021-02-26  8:52                   ` Michal Hocko
2021-02-27  0:56                     ` Tim Chen
2021-03-01  7:39                       ` Michal Hocko
2021-02-25 22:25           ` Tim Chen
2021-03-02  6:25   ` [mm] 4f09feb8bf: vm-scalability.throughput -4.3% regression kernel test robot
2021-02-17 20:41 ` [PATCH v2 3/3] mm: Fix missing mem cgroup soft limit tree updates Tim Chen
2021-02-18  5:56   ` Johannes Weiner
2021-02-22 18:38     ` Tim Chen
2021-02-23 15:18       ` Johannes Weiner
2021-02-19  9:16   ` Michal Hocko
2021-02-19 19:28     ` Tim Chen
2021-02-22  8:41       ` Michal Hocko
2021-02-22 17:45         ` Tim Chen

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