From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id 853946B0044 for ; Fri, 23 Jan 2009 10:56:00 -0500 (EST) Received: from localhost (smtp.ultrahosting.com [127.0.0.1]) by smtp.ultrahosting.com (Postfix) with ESMTP id 80CAE82C6DF for ; Fri, 23 Jan 2009 10:57:20 -0500 (EST) Received: from smtp.ultrahosting.com ([74.213.174.254]) by localhost (smtp.ultrahosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qRiaTby0r-gm for ; Fri, 23 Jan 2009 10:57:20 -0500 (EST) Received: from qirst.com (unknown [74.213.171.31]) by smtp.ultrahosting.com (Postfix) with ESMTP id 5BD0482C6F4 for ; Fri, 23 Jan 2009 10:56:56 -0500 (EST) Date: Fri, 23 Jan 2009 10:42:04 -0500 (EST) From: Christoph Lameter Subject: Re: [patch] SLQB slab allocator In-Reply-To: <1232725065.6094.92.camel@penberg-laptop> Message-ID: References: <84144f020901140645o68328e01ne0e10ace47555e19@mail.gmail.com> <20090114150900.GC25401@wotan.suse.de> <20090114152207.GD25401@wotan.suse.de> <84144f020901140730l747b4e06j41fb8a35daeaf6c8@mail.gmail.com> <20090114155923.GC1616@wotan.suse.de> <20090115061931.GC17810@wotan.suse.de> <20090116034356.GM17810@wotan.suse.de> <20090119061856.GB22584@wotan.suse.de> <1232616430.14549.11.camel@penberg-laptop> <1232616638.11429.131.camel@ymzhang> <1232616792.14549.19.camel@penberg-laptop> <1232725065.6094.92.camel@penberg-laptop> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Pekka Enberg Cc: "Zhang, Yanmin" , Nick Piggin , Lin Ming , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton , Linus Torvalds List-ID: On Fri, 23 Jan 2009, Pekka Enberg wrote: > On Thu, 22 Jan 2009, Pekka Enberg wrote: > > > That is, a list of pages that could be returned to the page allocator > > > but are pooled in SLUB to avoid the page allocator overhead. Note that > > > this will not help allocators that trigger page allocator pass-through. > > On Fri, 2009-01-23 at 10:32 -0500, Christoph Lameter wrote: > > We use the partial list for that. > > Even if the slab is totally empty? The MIN_PARTIAL thingy can keep pages around even if the slab becomes totally empty in order to avoid page allocator trips. -- 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