From: Andrew Morton <akpm@linux-foundation.org>
To: "David Hildenbrand (Arm)" <david@kernel.org>
Cc: Audra Mitchell <audra@redhat.com>,
ljs@kernel.org, Liam.Howlett@oracle.com, vbabka@kernel.org,
rppt@kernel.org, surenb@google.com, mhocko@suse.com,
shuah@kernel.org, usama.anjum@collabora.com,
colin.i.king@gmail.com, avagin@google.com,
linux-kselftest@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] selftests/mm: Fix soft-dirty kselftest supported check
Date: Tue, 24 Mar 2026 16:23:24 -0700 [thread overview]
Message-ID: <20260324162324.6efa49422d145afd4dd37dda@linux-foundation.org> (raw)
In-Reply-To: <a4fb1d56-8c10-46de-acf5-9a00ce0db4ad@kernel.org>
On Mon, 23 Mar 2026 12:56:33 +0100 "David Hildenbrand (Arm)" <david@kernel.org> wrote:
> > + supported = __pagemap_scan_get_categories(fd, test_area, &r) >= 0;
>
> You have to cast it to a (long) first before comparing, like we do in
> pagemap_scan_get_categories().
>
>
> Maybe best written as
>
> long ret = __pagemap_scan_get_categories(fd, test_area, &r);
>
> if (ret >= 0)
> supported = 1;
>
> > + ksft_print_msg("errno: %d\n", errno);
>
> I guess we should drop that, was mostly for testing.
next prev parent reply other threads:[~2026-03-24 23:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-18 18:42 Audra Mitchell
2026-02-24 16:15 ` David Hildenbrand (Arm)
2026-03-17 15:08 ` Audra Mitchell
2026-03-18 8:17 ` David Hildenbrand (Arm)
2026-03-19 18:59 ` Audra Mitchell
2026-03-20 11:26 ` David Hildenbrand (Arm)
2026-03-20 18:39 ` [PATCH V2] " Audra Mitchell
2026-03-20 18:39 ` [PATCH] " Audra Mitchell
2026-03-20 20:53 ` Andrew Morton
2026-03-23 11:56 ` David Hildenbrand (Arm)
2026-03-24 23:23 ` Andrew Morton [this message]
2026-03-24 23:24 ` Andrew Morton
2026-03-25 16:23 ` Audra Mitchell
2026-03-27 10:08 ` David Hildenbrand (Arm)
2026-03-27 10:52 ` Lorenzo Stoakes (Oracle)
2026-03-27 10:58 ` Lorenzo Stoakes (Oracle)
2026-03-27 11:15 ` Lorenzo Stoakes (Oracle)
2026-03-27 11:14 ` Lorenzo Stoakes (Oracle)
2026-03-31 16:32 ` Audra Mitchell
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