From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f181.google.com (mail-pd0-f181.google.com [209.85.192.181]) by kanga.kvack.org (Postfix) with ESMTP id 60A126B0253 for ; Thu, 20 Aug 2015 04:48:23 -0400 (EDT) Received: by pdrh1 with SMTP id h1so12120856pdr.0 for ; Thu, 20 Aug 2015 01:48:23 -0700 (PDT) Received: from COL004-OMC2S11.hotmail.com (col004-omc2s11.hotmail.com. [65.55.34.85]) by mx.google.com with ESMTPS id rj13si6433120pdb.84.2015.08.20.01.48.22 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 20 Aug 2015 01:48:22 -0700 (PDT) Message-ID: From: gchen gchen Subject: Re: [PATCH] mm: mmap: Simplify the failure return working flow Date: Thu, 20 Aug 2015 16:48:21 +0800 In-Reply-To: <55D593C2.3040105@hotmail.com> References: <55D5275D.7020406@hotmail.com> <55D52CDE.8060700@hotmail.com> <20150820074521.GC4780@dhcp22.suse.cz>,<55D593C2.3040105@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 Cc: Andrew Morton , kernel mailing list , "Kirill A. Shutemov" , "riel@redhat.com" , "sasha.levin@oracle.com" , Linux Memory T24gMjAxNcTqMDjUwjIwyNUgMTU6NDUsIE1pY2hhbCBIb2NrbyB3cm90ZToKPiBPbiBUaHUgMjAt MDgtMTUgMDk6Mjc6NDIsIGdjaGVuIGdjaGVuIHdyb3RlOgo+IFsuLi5dCj4+IFllcywgaXQgaXMg cmVhbGx5IHBlY3VsaWFyLCB0aGUgcmVhc29uIGlzIGdtYWlsIGlzIG5vdCBzdGFibGUgaW4gQ2hp bmEuCj4+IEkgaGF2ZSB0byBzZW5kIG1haWwgaW4gbXkgaG90bWFpbCBhZGRyZXNzLgo+Pgo+PiBC dXQgSSBzdGlsbCB3YW50IHRvIHVzZSBteSBnbWFpbCBhcyBTaWduZWQtb2ZmLWJ5LCBzaW5jZSBJ IGhhdmUgYWxyZWFkeQo+PiB1c2VkIGl0LCBhbmQgYWxzbyBpdHMgbmFtZSBpcyBhIGxpdHRsZSBm b3JtYWwgdGhhbiBteSBob3RtYWlsLgo+Pgo+PiBXZWxjb21lIGFueSBpZGVhcywgc3VnZ2VzdGlv bnMgYW5kIGNvbXBsZXRpb25zIGZvciBpdCAoZS5nLiBpZiBpdCBpcwo+PiBuZWNlc3NhcnkgdG8g bGV0IHNlbmQgbWFpbCBhbmQgU2lnbmVkLW9mZi1ieSBtYWlsIGJlIHRoZSBzYW1lLCBJIHNoYWxs Cj4+IHRyeSkuCj4KPiBZb3UgY2FuIGRvIHRoZSBmb2xsb3dpbmcgaW4geW91ciAuZ2l0L2NvbmZp Zwo+Cj4gW3VzZXJdCj4gICAgICAgbmFtZSA9IFlPVVJfTkFNRV9GT1JfUy1PLUIKPiAgICAgICBl bWFpbCA9IFlPVVJfR01BSUxfQUREUkVTUwo+IFtzZW5kZW1haWxdCj4gICAgICAgZnJvbSA9IFlP VVJfU1RBQkxFX1NFTkRFUl9BRERSRVNTCj4gICAgICAgZW52ZWxvcGVzZW5kZXIgPSBZT1VSX1NU QUJMRV9TRU5ERVJfQUREUkVTUwo+ICAgICAgIHNtdHBzZXJ2ZXIgPSBZT1VSX1NUQUJMRV9TTVRQ Cj4KPiBbdXNlcl0gcGFydCB3aWxsIGJlIHVzZWQgZm9yIHMtby1iIGFuZCBBdXRob3IgZW1haWwg d2hpbGUgdGhlIHNlbmRlbWFpbAo+IHdpbGwgYmUgdXNlZCBmb3IgZ2l0IHNlbmQtZW1haWwgdG8g cm91dGUgdGhlIHBhdGNoIHByb3Blcmx5LiBJZiB0aGUgdHdvCj4gZGlmZmVyIGl0IHdpbGwgYWRk IEZyb206IHVzZXIubmFtZSA8dXNlci5lbWFpbD4gYXMgc3VnZ2VzdGVkIGJ5IEFuZHJldy4KPgoK T0ssIHRoYW5rIHlvdXIgdmVyeSBtdWNoIGZvciB5b3VyIGRldGFpbHMgaW5mb3JtYXRpb24uIDot KQoKSSBzaGFsbCB0cnkgdG8gdXNlIGdpdCB0byBzZW5kL3JlY3YgbWFpbHMgaW5zdGVhZCBvZiBj dXJyZW50IHRodW5kZXJiaXJkCmNsaWVudCAoaG9wZSBJIGNhbiBkbyBpdCBuZXh0IHRpbWUsIGFs dGhvdWdoIEkgYW0gbm90IHF1aXRlIHN1cmUpLgoKClRoYW5rcy4KLS0KQ2hlbiBHYW5nCgpPcGVu LCBzaGFyZSwgYW5kIGF0dGl0dWRlIGxpa2UgYWlyLCB3YXRlciwgYW5kIGxpZmUgd2hpY2ggR29k IGJsZXNzZWQKIAkJIAkgICAJCSAg -- 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