Re: [PATCH v3] memcg: fix soft lockup in the OOM process

2025-01-12 Thread Chen Ridong
On 2025/1/6 16:45, Vlastimil Babka wrote: > On 12/24/24 03:52, Chen Ridong wrote: >> From: Chen Ridong > > +CC RCU > >> A soft lockup issue was found in the product with about 56,000 tasks were >> in the OOM cgroup, it was traversing them when the soft lockup wa

Re: [PATCH v3] memcg: fix soft lockup in the OOM process

2025-01-14 Thread Chen Ridong
On 2025/1/14 17:20, Vlastimil Babka wrote: > On 1/14/25 09:40, Michal Hocko wrote: >> On Mon 13-01-25 19:45:46, Andrew Morton wrote: >>> On Mon, 13 Jan 2025 14:51:55 +0800 Chen Ridong >>> wrote: >>> >>>>>> @@ -430,10 +4

Re: [PATCH v3] memcg: fix soft lockup in the OOM process

2025-01-14 Thread Chen Ridong
On 2025/1/14 17:30, Michal Hocko wrote: > On Tue 14-01-25 10:20:28, Vlastimil Babka wrote: >> On 1/14/25 09:40, Michal Hocko wrote: >>> On Mon 13-01-25 19:45:46, Andrew Morton wrote: > [...] > For global OOM, system is likely to struggle, do we have to do some > works to suppress RCU det