From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751398AbeFDSYm (ORCPT ); Mon, 4 Jun 2018 14:24:42 -0400 Received: from shelob.surriel.com ([96.67.55.147]:53766 "EHLO shelob.surriel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751228AbeFDSYk (ORCPT ); Mon, 4 Jun 2018 14:24:40 -0400 Message-ID: <1528136679.7898.117.camel@surriel.com> Subject: Re: [PATCH 14/19] sched/numa: Updation of scan period need not be in lock From: Rik van Riel To: Srikar Dronamraju , Ingo Molnar , Peter Zijlstra Cc: LKML , Mel Gorman , Thomas Gleixner Date: Mon, 04 Jun 2018 14:24:39 -0400 In-Reply-To: <1528106428-19992-15-git-send-email-srikar@linux.vnet.ibm.com> References: <1528106428-19992-1-git-send-email-srikar@linux.vnet.ibm.com> <1528106428-19992-15-git-send-email-srikar@linux.vnet.ibm.com> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-xeukgwNA5R4McRnP2IPL" X-Mailer: Evolution 3.26.6 (3.26.6-1.fc27) Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-xeukgwNA5R4McRnP2IPL Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2018-06-04 at 15:30 +0530, Srikar Dronamraju wrote: > The metrics for updating scan periods are local or task specific. > Currently this updation happens under numa_group lock which seems > unnecessary. Hence move this updation outside the lock. Indeed, it looks like update_task_scan_period does not look at any numa_group numbers (any more?). > Signed-off-by: Srikar Dronamraju Reviewed-by: Rik van Riel --=20 All Rights Reversed. --=-xeukgwNA5R4McRnP2IPL Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEKR73pCCtJ5Xj3yADznnekoTE3oMFAlsVg+cACgkQznnekoTE 3oMBBggAmc7VyGmT80jQjwo4BYIIvCtSK6qTnB054IfwsPEudUSSFiJhSi6ywxkz UsjaxF7p+CZ6QdniQlMzUmlogoalCLYRIR2Y3w1aRWfq3IbmsuqSDAz0XYfiJWgK qDqRvCKEVpE0iqcmAPp5rJ4DZnDuYlZ5kXr/jVqTeHS4r4jv/gaO/HC/Jsm2a1bA 31V6Pvy7iHLNEa/O44b2gQfd/pCycj5QnFK29EB7gMSjzthAHhwuMji4AMMe2nPn gUIRpJkA6jkYBD6ibKNv6HwAVyVzBOUhEjymqaD5FgzmOGuECoSv/S3Br9zscU9g h3ouCaWLH661Bav9tGlVHFaEz8suoQ== =jT3W -----END PGP SIGNATURE----- --=-xeukgwNA5R4McRnP2IPL--