From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f52.google.com (mail-pa0-f52.google.com [209.85.220.52]) by kanga.kvack.org (Postfix) with ESMTP id B25196B0255 for ; Tue, 25 Aug 2015 17:33:44 -0400 (EDT) Received: by pabzx8 with SMTP id zx8so45553993pab.1 for ; Tue, 25 Aug 2015 14:33:44 -0700 (PDT) Received: from COL004-OMC2S12.hotmail.com (col004-omc2s12.hotmail.com. [65.55.34.86]) by mx.google.com with ESMTPS id f4si34992828pas.118.2015.08.25.14.33.43 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 25 Aug 2015 14:33:43 -0700 (PDT) Message-ID: From: Chen Gang Subject: Re: [PATCH] mm: mmap: Check all failures before set values Date: Wed, 26 Aug 2015 05:33:42 +0800 In-Reply-To: <55DCDF7E.6080402@hotmail.com> References: <1440349179-18304-1-git-send-email-gang.chen.5i5j@qq.com> <20150824113212.GL17078@dhcp22.suse.cz> <55DB1D94.3050404@hotmail.com> <20150824135716.GO17078@dhcp22.suse.cz> <55DB9278.2020603@qq.com> <20150825113521.GA6285@dhcp22.suse.cz>,<55DCDF7E.6080402@hotmail.com> Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko , Chen Gang Cc: Andrew Morton , "kirill.shutemov@linux.intel.com" , "riel@redhat.com" , "sasha.levin@oracle.com" , "gang.chen.5i5j@gmail.com" , Linux Memory , kernel mailing list T24gOC8yNS8xNSAxOTozNSwgTWljaGFsIEhvY2tvIHdyb3RlOgo+Cj4gT0ssIEkgZ3Vlc3MgSSB1 bmRlcnN0YW5kIHdoYXQgeW91IG1lYW4uIFlvdSBhcmUgY2VydGFpbmx5IHJpZ2h0IHRoYXQgYQo+ IHBhcnRpYWwgaW5pdGlhbGl6YXRpb24gZm9yIHRoZSBmYWlsdXJlIGNhc2UgaXMgbm90IG5pY2Ug aW4gZ2VuZXJhbC4gSQo+IHdhcyBqdXN0IG9iamVjdGluZyB0aGF0IHRoZSBjYWxsZXJzIGFyZSBz dXBwb3NlZCB0byBmcmVlIHRoZSB2bWEgaW4KPiB0aGUgZmFpbHVyZSBjYXNlIHNvIGFueSBwYXJ0 aWFsIGluaXRpYWxpemF0aW9uIGRvZXNuJ3QgbWF0dGVyIGluIHRoaXMKPiBwYXJ0aWN1bGFyIGNh c2UuCj4KPiBZb3VyIHBhdGNoIHdvdWxkIGJlIG1vcmUgc2Vuc2libGUgaWYgdGhlIGZhaWx1cmUg Y2FzZSB3YXMgbW9yZQo+IGxpa2VseS4gQnV0IHRoaXMgZnVuY3Rpb24gaXMgdXNlZCBmb3Igc3Bl Y2lhbCBtYXBwaW5ncyAodmRzbywgdGVtcG9yYXJ5Cj4gdmRzbyBzdGFjaykgd2hpY2ggYXJlIGNy ZWF0ZWQgZWFybHkgaW4gdGhlIHByb2Nlc3MgbGlmZSB0aW1lIHNvIGJvdGgKPiBmYWlsdXJlIHBh dGhzIGFyZSBoaWdobHkgdW5saWtlbHkuIElmIHRoaXMgd2FzIGEgcGFydCBvZiBhIGxhcmdlcgo+ IGNoYW5nZXMgd2hlcmUgdGhlIGZ1bmN0aW9uIHdvdWxkIGJlIHVzZWQgZWxzZXdoZXJlIEkgd291 bGRuJ3Qgb2JqZWN0IGF0Cj4gYWxsLgo+CgpPSy4KCj4gVGhlIHJlYXNvbiBJIGFtIHNrZXB0aWNh bCBhYm91dCBzdWNoIGNoYW5nZXMgaW4gZ2VuZXJhbCBpcyB0aGF0Cj4gdGhlIGVmZmVjdCBpcyB2 ZXJ5IG1hcmdpbmFsIHdoaWxlIGl0IGluY3JlYXNlcyBjaGFuY2VzIG9mIHRoZSBjb2RlCj4gY29u ZmxpY3RzLgo+Cj4gQnV0IGFzIEkndmUgc2FpZCwgaWYgb3RoZXJzIGZlZWwgdGhpcyBpcyB3b3J0 aHdoaWxlIEkgd2lsbCBub3Qgb2JqZWN0Lgo+CgpPSywgSSBjYW4gdW5kZXJzdGFuZC4KCgpUaGFu a3MuCi0tCkNoZW4gR2FuZwoKT3Blbiwgc2hhcmUsIGFuZCBhdHRpdHVkZSBsaWtlIGFpciwgd2F0 ZXIsIGFuZCBsaWZlIHdoaWNoIEdvZCBibGVzc2VkCiAJCSAJICAgCQkgIA== -- 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