Re: [PATCH v2 0/2] mm, memcg: fix memory.peak reset clobbering other fds' watermark

Andrew Morton <akpm-de/[email protected]>
Newsgroups gmane.linux.kernel.cgroups,gmane.linux.kernel.mm,gmane.linux.kernel
Message-ID <[email protected]>
On Fri,  7 Aug 2026 16:59:58 +0800 Ridong <[email protected]> wrote:

> Two fixes for the per-fd memory.peak / memory.swap.peak handlers added in
> c6f53ed8f213. Each open fd reads back max(its own value, the shared
> local_watermark), and both bugs live in that scheme.

Thanks.

We're missing the preferred description of the worst-case
userspace-visible effects of the bug.  It appears they're quite minor
so I'll assume this series is a post-7.2 thing.

Sashiko might have found a similar race on the writer side:
	https://sashiko.dev/#/patchset/20260807090000.1532495-1-ridong.chen-fxUVXftIFDnyG1zEObXtfA@public.gmane.org
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.