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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-Bw31MaZKKs3YtjvyW6yDsg, cgroups-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA

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]

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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
     [not found]   ` <8d35206601ccf0e1fe021d24405b2a0c2f4e052f.1613584277.git.tim.c.chen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-02-18  8:24     ` Michal Hocko
     [not found]       ` <YC4kV7dkJpxjW+df-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2021-02-18 18:30         ` Tim Chen
     [not found]           ` <c3ffa2cb-cb2c-20b7-d722-c875934992e9-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-02-18 19:13             ` Michal Hocko
     [not found]               ` <YC68QRVsCONXscCl-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2021-02-18 19:51                 ` Tim Chen
2021-02-18 19:13     ` Michal Hocko
     [not found]       ` <YC68Xo9+R2msn/ul-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2021-03-04 17:35         ` Tim Chen
     [not found]           ` <72cb8618-73af-ce08-d5d5-30cab30755a3-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-03-05  9:11             ` Michal Hocko
     [not found]               ` <YEH1xF8xm9MCsQ+q-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
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
     [not found]   ` <06f1f92f1f7d4e57c4e20c97f435252c16c60a27.1613584277.git.tim.c.chen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-02-19  9:11     ` Michal Hocko
     [not found]       ` <YC+ApsntwnlVfCuK-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2021-02-19 18:59         ` Tim Chen
     [not found]           ` <884d7559-e118-3773-351d-84c02642ca96-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-02-20 16:23             ` Tim Chen
2021-02-22  8:40             ` Michal Hocko
     [not found]               ` <YDNuAIztiGJpLEtw-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2021-02-22 17:41                 ` Tim Chen
     [not found]                   ` <e132f836-b5d5-3776-22d6-669e713983e4-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-02-22 19:09                     ` Michal Hocko
     [not found]                       ` <YDQBh5th9txxEFUm-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2021-02-22 19:23                         ` Tim Chen
2021-02-22 19:48                         ` Tim Chen
     [not found]                           ` <cf5ca7a1-7965-f307-22e1-e216316904cf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-02-24 11:53                             ` Michal Hocko
     [not found]                               ` <YDY+PydRUGQpHNaJ-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2021-02-25 22:48                                 ` Tim Chen
2021-02-26  8:52                                   ` Michal Hocko
     [not found]                                     ` <YDi2udQqIML6Vdpo-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2021-02-27  0:56                                       ` Tim Chen
     [not found]                                         ` <781634ee-ffb9-598d-fdb6-0ae6067448b7-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
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
     [not found] ` <cover.1613584277.git.tim.c.chen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-02-17 20:41   ` [PATCH v2 3/3] mm: Fix missing mem cgroup soft limit tree updates Tim Chen
     [not found]     ` <e269f5df3af1157232b01a9b0dae3edf4880d786.1613584277.git.tim.c.chen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-02-18  5:56       ` Johannes Weiner
     [not found]         ` <YC4BcsNFEmW7XeqB-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
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
     [not found]           ` <1ecd277e-c236-08e1-f068-3dd65ee0e640-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2021-02-22  8:41             ` Michal Hocko
     [not found]               ` <YDNuRFgJPH4bPEbq-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2021-02-22 17:45                 ` Tim Chen

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