Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933470Ab2HVWhm (ORCPT ); Wed, 22 Aug 2012 18:37:42 -0400 Received: from one.firstfloor.org ([213.235.205.2]:33491 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932187Ab2HVWhj (ORCPT ); Wed, 22 Aug 2012 18:37:39 -0400 Date: Thu, 23 Aug 2012 00:37:33 +0200 From: Andi Kleen To: Andrea Arcangeli Cc: Andi Kleen , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 19/36] autonuma: memory follows CPU algorithm and task/mm_autonuma stats collection Message-ID: <20120822223733.GQ16230@one.firstfloor.org> References: <1345647560-30387-1-git-send-email-aarcange@redhat.com> <1345647560-30387-20-git-send-email-aarcange@redhat.com> <20120822212459.GC8107@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120822212459.GC8107@redhat.com> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 755 Lines: 21 > > This comment seems quite accurate to me (btw I taken it from > sched-numa rewrite with minor changes). I had expected it to describe the next function. If it's a strategic overview maybe it should be somewhere else. > Disabling irqs around lru_lock was an optimization to avoid increasing > the hold time of the lock when all critical sections were short after > the isolation code. Now it's used to rotate lrus at I/O completion too. Thanks. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/