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From: Li Wang <liwang@redhat.com>
To: Yosry Ahmed <yosry@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: nphamcs@gmail.com, hannes@cmpxchg.org, mhocko@kernel.org,
	mkoutny@suse.com, muchun.song@linux.dev, tj@kernel.org,
	roman.gushchin@linux.dev, shakeel.butt@linux.dev,
	longman@redhat.com, linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v5 0/8] selftests/cgroup: improve zswap tests robustness and support large page sizes
Date: Fri, 27 Mar 2026 08:57:16 +0800	[thread overview]
Message-ID: <acXV7LhE0z5seCEA@redhat.com> (raw)
In-Reply-To: <CAO9r8zPMtNaRuGSrHnfh6AX3DKVoR6d90X7O9UTjxbushssyuA@mail.gmail.com>

On Thu, Mar 26, 2026 at 04:10:42PM -0700, Yosry Ahmed wrote:
> On Thu, Mar 26, 2026 at 4:06 PM Andrew Morton <akpm@linux-foundation.org> wrote:
> >
> > On Thu, 26 Mar 2026 14:29:20 +0800 Li Wang <liwang@redhat.com> wrote:
> >
> > > > Test all passed on:
> > > >   x86_64(4k), aarch64(4K, 64K), ppc64le(64K).
> > >
> > > Hi Andrew, All,
> > >
> > > I see that Sashiko still points out minor issues in this patchset,
> > > That seems very tiny in selftest programming.
> > >
> > > I can correct all that in a new version if you'd like a perfect patchset.
> > >
> > > Sashiko comments:
> > >   https://sashiko.dev/#/patchset/20260326032658.96819-1-liwang%40redhat.com
> >
> > Ah, OK, you already looked.
> >
> > If you say they're too minor then I'm OK with that.  If there are any
> > you feel you'd like to address then go for it.  That's my opinion,
> > others might differ!
> >
> > I suggest you leave things as-is for a while (a week?), give the memcg
> > maintainers time to take a look (please).

Sounds reasonable!

> I think some of the comments are worth addressing, especially:

+1

> Patch 4:
> Using BUF_SIZE in the allocation helpers is wrong, we should use the
> actual page size.
> 
> Patch 6:
> Zero initialization of zw_allocation.

Thanks, and plus:

 Patch 7:
   Adjust the code comments.

 Patch 8:
   Declear long type for elapsed and count variables

> But yeah as Andrew said, it may be worth waiting for memcg maintainers
> to take a look before sending a new version.

Sure, I will allow a week for others to review it.

-- 
Regards,
Li Wang


  reply	other threads:[~2026-03-27  0:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-26  3:26 [PATCH v5 0/8] selftests/cgroup: improve zswap tests robustness and support large page sizes Li Wang
2026-03-26  3:26 ` [PATCH v5 1/8] selftests/cgroup: skip test_zswap if zswap is globally disabled Li Wang
2026-03-26  3:26 ` [PATCH v5 2/8] selftests/cgroup: avoid OOM in test_swapin_nozswap Li Wang
2026-03-27 18:25   ` Nhat Pham
2026-03-26  3:26 ` [PATCH v5 3/8] selftests/cgroup: use runtime page size for zswpin check Li Wang
2026-03-26  3:26 ` [PATCH v5 4/8] selftests/cgroup: rename PAGE_SIZE to BUF_SIZE in cgroup_util Li Wang
2026-03-26  3:26 ` [PATCH v5 5/8] selftests/cgroup: replace hardcoded page size values in test_zswap Li Wang
2026-03-26  3:26 ` [PATCH v5 6/8] selftest/cgroup: fix zswap test_no_invasive_cgroup_shrink on large pagesize system Li Wang
2026-03-26  3:26 ` [PATCH v5 7/8] selftest/cgroup: fix zswap attempt_writeback() on 64K " Li Wang
2026-03-26  3:26 ` [PATCH v5 8/8] selftests/cgroup: test_zswap: wait for asynchronous writeback Li Wang
2026-03-26  6:29 ` [PATCH v5 0/8] selftests/cgroup: improve zswap tests robustness and support large page sizes Li Wang
2026-03-26 23:06   ` Andrew Morton
2026-03-26 23:10     ` Yosry Ahmed
2026-03-27  0:57       ` Li Wang [this message]
2026-03-26 23:01 ` Andrew Morton

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