Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Mon, 16 Aug 2021 18:17:51 +1000
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     David Hildenbrand <david@redhat.com>
Cc:     qiang.zhang@windriver.com, vbabka@suse.cz,
        akpm@linux-foundation.org, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm, slub: add cpus_read_lock/unlock() for
 slab_mem_going_offline_callback()
Message-ID: <20210816181751.17f98cc2@canb.auug.org.au>
In-Reply-To: <ef944ea5-c3cb-24e5-1ff8-b8e1008fa6ed@redhat.com>
References: <20210816074605.30336-1-qiang.zhang@windriver.com>
        <ef944ea5-c3cb-24e5-1ff8-b8e1008fa6ed@redhat.com>
MIME-Version: 1.0
Content-Type: multipart/signed; boundary="Sig_/Vjh3bEHm7.Fal8bpPQ+pRVZ";
 protocol="application/pgp-signature"; micalg=pgp-sha256
Precedence: bulk

--Sig_/Vjh3bEHm7.Fal8bpPQ+pRVZ
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: quoted-printable

Hi David,

On Mon, 16 Aug 2021 10:04:13 +0200 David Hildenbrand <david@redhat.com> wro=
te:
>
> On 16.08.21 09:46, qiang.zhang@windriver.com wrote:
> > From: "Qiang.Zhang" <qiang.zhang@windriver.com>
> >=20
> > The flush_all_cpus_locked() should be called with cpus_read_lock/unlock=
(),
> > ensure flush_cpu_slab() can be executed on schedule_on CPU.
> >=20
> > Fixes: 1c84f3c91640 ("mm, slub: fix memory and cpu hotplug related lock=
 ordering issues") =20
>=20
> Which branch contains this commit? At least not linux.git or linux-next

It is Andrew's mmotm which is included in linux-next but gets rebased
often, so, for example, that SHA1 is no longer valid in linux-next
today (is is now fd917c6407fb).

This (unfortunately) make Fixes tags less useful for mmotm :-(
--=20
Cheers,
Stephen Rothwell

--Sig_/Vjh3bEHm7.Fal8bpPQ+pRVZ
Content-Type: application/pgp-signature
Content-Description: OpenPGP digital signature

-----BEGIN PGP SIGNATURE-----

iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmEaHy8ACgkQAVBC80lX
0GwJDgf/arO+wfX/OLOUqc5HOrLH1Hj6N0kVI4C087Y4a+Zwcoch2KGUGTbj/dNj
aERoyV5vRfV5K1hlvbVrbaKL2wW6x8u51GHaeszZkErKiV6J1TMKylFNtMUKvYyA
9wONyCEdZlUsNxKn2M26MMle1qOAELpsMpFPxlhVNum4HU3c5IaFK8t8cwU3jds+
oWyp5aQV/QukcZl70lQmAguMnq/FYOK7W5h8a5irOaRmO6LefWc3EvcXMO9eRfCb
UO/zBz7lvVHfW1qGqHzip/IAjTPiG5ciYp4wK148TASyLKsg9p5hAaVNl0BLqPmB
6b81na+pg2rpjW9esmM4vu/tEMGymA==
=SbsZ
-----END PGP SIGNATURE-----

--Sig_/Vjh3bEHm7.Fal8bpPQ+pRVZ--