From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756466AbdEAPqJ (ORCPT ); Mon, 1 May 2017 11:46:09 -0400 Received: from mail-pg0-f67.google.com ([74.125.83.67]:33824 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753917AbdEAPqE (ORCPT ); Mon, 1 May 2017 11:46:04 -0400 Date: Mon, 1 May 2017 23:15:26 +0800 From: Wei Yang To: Matthew Wilcox Cc: Wei Yang , cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] mm/slub: wrap cpu_slab->partial in CONFIG_SLUB_CPU_PARTIAL Message-ID: <20170501151526.GA1110@WeideMacBook-Pro.local> Reply-To: Wei Yang References: <20170430113152.6590-1-richard.weiyang@gmail.com> <20170430113152.6590-3-richard.weiyang@gmail.com> <20170501024103.GI27790@bombadil.infradead.org> <20170501082005.GA2006@WeideMacBook-Pro.local> <20170501143930.GJ27790@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="9jxsPFA5p3P2qPhR" Content-Disposition: inline In-Reply-To: <20170501143930.GJ27790@bombadil.infradead.org> User-Agent: Mutt/1.7.2 (2016-11-26) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --9jxsPFA5p3P2qPhR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 01, 2017 at 07:39:30AM -0700, Matthew Wilcox wrote: >On Mon, May 01, 2017 at 04:20:05PM +0800, Wei Yang wrote: >> I have tried to replace the code with slub_cpu_partial(), it works fine = on >> most of cases except two: >>=20 >> 1. slub_cpu_partial(c) =3D page->next; > >New accessor: slub_set_cpu_partial(c, p) > >> 2. page =3D READ_ONCE(slub_cpu_partial(c)); > >OK, that one I haven't seen an existing pattern for yet. >slub_cpu_partial_read_once(c)? Thanks~ You are really a genius. --=20 Wei Yang Help you, Help me --9jxsPFA5p3P2qPhR Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJZB1EOAAoJEKcLNpZP5cTd0pIP/RP17saBDystBvelrgluJ1xH YjhutyHWtqUmqKXzRL8xCI9ZR/0GTmoo4s1jwaYrmxGmQX51C014A7BGHCJj3/3Y 8yTopbPexEjifDHorLtvSmXgq3ZqdvNDI3f2qnUwTh1LyQOVb1eK4T8ZjNJQbflV f1zWb8HeI5Sl4Qsoq2Zi4KGdBvYtvWbiG9gRsdqcqU0bFC30OjnA3NP4kIOD1IZF OtmgHgBZOlXGCIAUkNF7H/YBx/zN1OnnuzsSe6/5D9M9HClrIiRevw5uGkKxVo94 /nhpuo+qhqpRd8x3KOmpxMFkElj7S54APPkpI2XsfXVWzg7RTVPRqVeFEw9fsBdv cI4qzEPclFdc64qvk17HbNofmImJvXlM9hKAuywz60lZSX3UQ5Qu+zPECtfyLpYU GGQ8gp4xWLEq0ep5a+iDHUsminUfa14xJLMSWUH40rpwrLMr03lMMvMwqAZYbxJ2 mfHcqm/pTRBjub00uf5G01wk0mZmyWCeDPg6f5z5EboWAC5jsPL6+/2ZnjvA9IYL L2tMjcu6hv7Aayx7HUunUZ6DZ6v+CAqzz7Aqgt4dQahxxVIQB624kmEvvDV1amlX Egl+Cyl7kJkn7U1Lhu6poE5XsirnLsR0DnTBjzREMogKKWND16QYHiGcrsg2+ynd 8ZGlxbDCAT6NFnPCCoje =c6ed -----END PGP SIGNATURE----- --9jxsPFA5p3P2qPhR--