From: Li Wang <liwang@redhat.com>
To: Yosry Ahmed <yosry@kernel.org>
Cc: Nhat Pham <nphamcs@gmail.com>,
mkoutny@suse.com, yosryahmed@google.com,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Muchun Song <muchun.song@linux.dev>, Tejun Heo <tj@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>
Subject: Re: [PATCH v2 1/7] selftests/cgroup: skip test_zswap if zswap is globally disabled
Date: Fri, 13 Mar 2026 11:35:28 +0800 [thread overview]
Message-ID: <abOGAHNnv9OZltdq@redhat.com> (raw)
In-Reply-To: <abODRsaeEul9Aj2X@redhat.com>
On Fri, Mar 13, 2026 at 11:23:50AM +0800, Li Wang wrote:
> On Thu, Mar 12, 2026 at 07:58:28PM -0700, Yosry Ahmed wrote:
> > > Yes, this looks more tidy than open it. I'll go this helper in v3.
> > >
> > > >
> > > > static void check_zswap_enabled(void)
> > > > {
> > > > char value;
> > >
> > > read_text() requires string but not char.
> >
> > I was just illustrating. This should be passed in as &value. That should work?
>
> Yes, pass it as &value works well.
And use sizeof(&value) just get the pointer's size but not
the buffer size, so I would recommend: char value[2].
--
Regards,
Li Wang
prev parent reply other threads:[~2026-03-13 3:35 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-12 4:06 [PATCH v2 1/7] selftests/cgroup: skip test_zswap if zswap is globally disabled Li Wang
2026-03-12 4:06 ` [PATCH v2 2/7] selftests/cgroup: avoid OOM in test_swapin_nozswap Li Wang
2026-03-12 22:41 ` Yosry Ahmed
2026-03-12 4:06 ` [PATCH v2 3/7] selftests/cgroup: use runtime page size for zswpin check Li Wang
2026-03-12 4:06 ` [PATCH v2 4/7] selftests/cgroup: rename PAGE_SIZE to BUF_SIZE in cgroup_util Li Wang
2026-03-12 4:06 ` [PATCH v2 5/7] selftest/cgroup: fix zswap test_no_invasive_cgroup_shrink on 64K pagesize system Li Wang
2026-03-12 4:06 ` [PATCH v2 6/7] selftests/cgroup: replace hardcoded page size values in test_zswap Li Wang
2026-03-12 22:44 ` Yosry Ahmed
2026-03-13 2:01 ` Li Wang
2026-03-12 4:06 ` [PATCH v2 7/7] selftest/cgroup: fix zswap attempt_writeback() on 64K pagesize system Li Wang
2026-03-12 22:44 ` Yosry Ahmed
2026-03-12 18:32 ` [PATCH v2 1/7] selftests/cgroup: skip test_zswap if zswap is globally disabled Nhat Pham
2026-03-12 21:09 ` Yosry Ahmed
2026-03-13 1:50 ` Li Wang
2026-03-13 2:58 ` Yosry Ahmed
2026-03-13 3:23 ` Li Wang
2026-03-13 3:35 ` Li Wang [this message]
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