From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx148.postini.com [74.125.245.148]) by kanga.kvack.org (Postfix) with SMTP id 3BE836B0032 for ; Tue, 2 Jul 2013 11:09:37 -0400 (EDT) Date: Tue, 2 Jul 2013 10:09:13 -0500 From: Clark Williams Subject: Re: [3.11 1/4] slub: Make cpu partial slab support configurable V2 Message-ID: <20130702100913.0ef4cd25@riff.lan> In-Reply-To: <0000013f9b735739-eb4b29ce-fbc6-4493-ac56-22766da5fdae-000000@email.amazonses.com> References: <20130614195500.373711648@linux.com> <0000013f44418a14-7abe9784-a481-4c34-8ff3-c3afe2d57979-000000@email.amazonses.com> <51BFFFA1.8030402@kernel.org> <0000013f57a5b278-d9104e1e-ccec-40ec-bd95-f8b0816a38d9-000000@email.amazonses.com> <20130618102109.310f4ce1@riff.lan> <1372170272.18733.201.camel@gandalf.local.home> <0000013f9b735739-eb4b29ce-fbc6-4493-ac56-22766da5fdae-000000@email.amazonses.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/VY/4XRlGLnkSQmelPqCe5zx"; protocol="application/pgp-signature" Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Steven Rostedt , Pekka Enberg , Thomas Gleixner , Joonsoo Kim , Clark Williams , Glauber Costa , "linux-mm@kvack.org" , David Rientjes --Sig_/VY/4XRlGLnkSQmelPqCe5zx Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 1 Jul 2013 18:16:35 +0000 Christoph Lameter wrote: > On Tue, 25 Jun 2013, Steven Rostedt wrote: >=20 > > On Tue, 2013-06-18 at 18:25 +0300, Pekka Enberg wrote: > > > On Tue, Jun 18, 2013 at 6:21 PM, Clark Williams = wrote: > > > > I'm sure it would be better to actually do cpu_partial processing in > > > > small chunks to avoid latency spikes in latency sensitive applicati= ons > > > > > > Sounds like a patch I'd be much more interested in applying... > > > > Is this going to happen, otherwise we would really like a fix for RT. >=20 > Forget it. Just switch cpu_partial processing off. It will be in small > chunks then. >=20 What's your recommended method for switching cpu_partial processing off?=20 I'm not all that keen on repeatedly traversing /sys/kernel/slab looking for 'cpu_partial' entries, mainly because if you do it at boot time (i.e. from a startup script) you miss some of the entries.=20 --Sig_/VY/4XRlGLnkSQmelPqCe5zx Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEARECAAYFAlHS7SQACgkQHyuj/+TTEp1TZACfaE+rMO0lyfrkDqQHKpgC4nZF uxEAn1pa8mEitbB1wnCyvcjMRm3JUJWA =0i/V -----END PGP SIGNATURE----- --Sig_/VY/4XRlGLnkSQmelPqCe5zx-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org