Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755902AbZGNR2s (ORCPT ); Tue, 14 Jul 2009 13:28:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753871AbZGNR2r (ORCPT ); Tue, 14 Jul 2009 13:28:47 -0400 Received: from smtp-out.google.com ([216.239.45.13]:7678 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753839AbZGNR2q convert rfc822-to-8bit (ORCPT ); Tue, 14 Jul 2009 13:28:46 -0400 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=mime-version:in-reply-to:references:date:message-id:subject:from:to: cc:content-type:content-transfer-encoding:x-system-of-record; b=sEFn+mhKb51aokPPFx1jJfShG6EC4HE5Iu/2PoyycQdiBTeJl3z/s+JOsrR4SBN/a kyCsjvUOo07Hz5QGQcX8w== MIME-Version: 1.0 In-Reply-To: <20090714132538.ac0bc44a.kamezawa.hiroyu@jp.fujitsu.com> References: <20090710230043.16778.29656.stgit@hastromil.mtv.corp.google.com> <20090710230205.16778.11707.stgit@hastromil.mtv.corp.google.com> <4A5AA3E7.9070800@cn.fujitsu.com> <20090713150303.70ab5176.kamezawa.hiroyu@jp.fujitsu.com> <2f86c2480907130827u7d2b062bw26bbb80a8e3de657@mail.gmail.com> <20090714084950.2401d9a6.kamezawa.hiroyu@jp.fujitsu.com> <6599ad830907132050n226aecb3ucab6746a4d0e81fa@mail.gmail.com> <20090714125334.b476aa78.kamezawa.hiroyu@jp.fujitsu.com> <6599ad830907132104o55d31ccexb15e5aa35c31416e@mail.gmail.com> <20090714132538.ac0bc44a.kamezawa.hiroyu@jp.fujitsu.com> Date: Tue, 14 Jul 2009 10:28:43 -0700 Message-ID: <6599ad830907141028y50f36d63h8ea06f73ff369591@mail.gmail.com> Subject: Re: [PATCH 3/3] Quick vmalloc vs kmalloc fix to the case where array size is too large From: Paul Menage To: KAMEZAWA Hiroyuki Cc: Benjamin Blum , Li Zefan , linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, akpm@linux-foundation.org, serue@us.ibm.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 680 Lines: 19 On Mon, Jul 13, 2009 at 9:25 PM, KAMEZAWA Hiroyuki wrote: > My point is > ?- More PIDs, More time necessary to read procs file. Right now, many pids => impossible to read procs file due to kmalloc failure. (This was always the case with cpusets too). So using kmalloc in those cases is a strict improvement. > This patch boost it ;) Seems like "visit this later again" ,or FIXME patch. Agreed. Paul -- 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/