From mboxrd@z Thu Jan 1 00:00:00 1970 From: KAMEZAWA Hiroyuki Subject: Re: [PATCH -V4 02/10] hugetlbfs: don't use ERR_PTR with VM_FAULT* values Date: Mon, 19 Mar 2012 11:11:56 +0900 Message-ID: <4F6695EC.2060208@jp.fujitsu.com> References: <1331919570-2264-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1331919570-2264-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1331919570-2264-3-git-send-email-aneesh.kumar-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: "Aneesh Kumar K.V" Cc: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, mgorman-l3A5Bk7waGM@public.gmane.org, dhillf-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, aarcange-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, mhocko-AlSwsSmVLrQ@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org (2012/03/17 2:39), Aneesh Kumar K.V wrote: > From: "Aneesh Kumar K.V" > > Using VM_FAULT_* codes with ERR_PTR will require us to make sure > VM_FAULT_* values will not exceed MAX_ERRNO value. > > Signed-off-by: Aneesh Kumar K.V Is this a bug fix ? Reviewed-by: KAMEZAWA Hiroyuki From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx148.postini.com [74.125.245.148]) by kanga.kvack.org (Postfix) with SMTP id 71B0F6B004A for ; Sun, 18 Mar 2012 22:13:42 -0400 (EDT) Received: from m4.gw.fujitsu.co.jp (unknown [10.0.50.74]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id D2ED944DD85 for ; Mon, 19 Mar 2012 11:13:40 +0900 (JST) Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 9A9C545DE57 for ; Mon, 19 Mar 2012 11:13:40 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 6FF0A45DE4F for ; Mon, 19 Mar 2012 11:13:40 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 5CCB71DB804A for ; Mon, 19 Mar 2012 11:13:40 +0900 (JST) Received: from m107.s.css.fujitsu.com (m107.s.css.fujitsu.com [10.240.81.147]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 0D2B61DB8043 for ; Mon, 19 Mar 2012 11:13:40 +0900 (JST) Message-ID: <4F6695EC.2060208@jp.fujitsu.com> Date: Mon, 19 Mar 2012 11:11:56 +0900 From: KAMEZAWA Hiroyuki MIME-Version: 1.0 Subject: Re: [PATCH -V4 02/10] hugetlbfs: don't use ERR_PTR with VM_FAULT* values References: <1331919570-2264-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1331919570-2264-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com> In-Reply-To: <1331919570-2264-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Aneesh Kumar K.V" Cc: linux-mm@kvack.org, mgorman@suse.de, dhillf@gmail.com, aarcange@redhat.com, mhocko@suse.cz, akpm@linux-foundation.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org (2012/03/17 2:39), Aneesh Kumar K.V wrote: > From: "Aneesh Kumar K.V" > > Using VM_FAULT_* codes with ERR_PTR will require us to make sure > VM_FAULT_* values will not exceed MAX_ERRNO value. > > Signed-off-by: Aneesh Kumar K.V Is this a bug fix ? Reviewed-by: KAMEZAWA Hiroyuki -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757591Ab2CSCNn (ORCPT ); Sun, 18 Mar 2012 22:13:43 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:45567 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752953Ab2CSCNl (ORCPT ); Sun, 18 Mar 2012 22:13:41 -0400 X-SecurityPolicyCheck: OK by SHieldMailChecker v1.7.4 Message-ID: <4F6695EC.2060208@jp.fujitsu.com> Date: Mon, 19 Mar 2012 11:11:56 +0900 From: KAMEZAWA Hiroyuki User-Agent: Mozilla/5.0 (Windows NT 6.0; rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2 MIME-Version: 1.0 To: "Aneesh Kumar K.V" CC: linux-mm@kvack.org, mgorman@suse.de, dhillf@gmail.com, aarcange@redhat.com, mhocko@suse.cz, akpm@linux-foundation.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org Subject: Re: [PATCH -V4 02/10] hugetlbfs: don't use ERR_PTR with VM_FAULT* values References: <1331919570-2264-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1331919570-2264-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com> In-Reply-To: <1331919570-2264-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (2012/03/17 2:39), Aneesh Kumar K.V wrote: > From: "Aneesh Kumar K.V" > > Using VM_FAULT_* codes with ERR_PTR will require us to make sure > VM_FAULT_* values will not exceed MAX_ERRNO value. > > Signed-off-by: Aneesh Kumar K.V Is this a bug fix ? Reviewed-by: KAMEZAWA Hiroyuki