Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932302AbVI2WgZ (ORCPT ); Thu, 29 Sep 2005 18:36:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932304AbVI2WgZ (ORCPT ); Thu, 29 Sep 2005 18:36:25 -0400 Received: from smtp.osdl.org ([65.172.181.4]:8323 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S932302AbVI2WgY (ORCPT ); Thu, 29 Sep 2005 18:36:24 -0400 Date: Thu, 29 Sep 2005 15:36:26 -0700 From: Andrew Morton To: "Seth, Rohit" Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] earlier allocation of order 0 pages from pcp in __alloc_pages Message-Id: <20050929153626.3ab4fce1.akpm@osdl.org> In-Reply-To: <20050929150155.A15646@unix-os.sc.intel.com> References: <20050929150155.A15646@unix-os.sc.intel.com> X-Mailer: Sylpheed version 1.0.0 (GTK+ 1.2.10; i386-vine-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 739 Lines: 14 "Seth, Rohit" wrote: > > [PATCH]: Try to service a order 0 page request in __alloc_pages from the pcp list before checking the aone_watermarks. > > Try to service a order 0 page request from pcp list. This will allow us to not check and possibly start the reclaim activity when there are free pages present on the pcp. This early allocation does not try to replenish an empty pcp. (Please avoid the 240-column emails!) Why is this a desirable change to make? - 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/