From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752570AbbJEPzh (ORCPT ); Mon, 5 Oct 2015 11:55:37 -0400 Received: from col004-omc1s15.hotmail.com ([65.55.34.25]:55441 "EHLO COL004-OMC1S15.hotmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752076AbbJEPzf (ORCPT ); Mon, 5 Oct 2015 11:55:35 -0400 X-TMN: [nGk+aNz0zDfQbDRPD1Ug6hZWU4/4CKHR] X-Originating-Email: [xili_gchen_5257@hotmail.com] Message-ID: Content-Type: multipart/mixed; boundary="_51bf969f-87e7-4aec-9804-682a6baf25f7_" From: Chen Gang To: Andrew Morton , "kirill.shutemov@linux.intel.com" , "riel@redhat.com" , Michal Hocko , "oleg@redhat.com" , "emunson@akamai.com" , "sasha.levin@oracle.com" , "pfeiner@google.com" , "aarcange@redhat.com" , "vishnu.ps@samsung.com" CC: Linux Memory , kernel mailing list Subject: [PATCH] mm/mmap.c: Remove redundant statement "error = -ENOMEM" Date: Mon, 5 Oct 2015 23:55:35 +0800 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 05 Oct 2015 15:55:35.0552 (UTC) FILETIME=[45CD3000:01D0FF86] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --_51bf969f-87e7-4aec-9804-682a6baf25f7_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable >>From 4150fd59c4aa35d36e81920ecb2a522c8c7b68b9 Mon Sep 17 00:00:00 2001=0A= From: Chen Gang =0A= Date: Mon=2C 5 Oct 2015 23:43:30 +0800=0A= Subject: [PATCH] mm/mmap.c: Remove redundant statement "error =3D -ENOMEM"= =0A= =0A= It is still a little better to remove it=2C although it should be skipped= =0A= by "-O2".=0A= =0A= Signed-off-by: Chen Gang =0A= ---=0A= =A0mm/mmap.c | 1 -=0A= =A01 file changed=2C 1 deletion(-)=0A= =0A= diff --git a/mm/mmap.c b/mm/mmap.c=0A= index 8393580..1da4600 100644=0A= --- a/mm/mmap.c=0A= +++ b/mm/mmap.c=0A= @@ -1562=2C7 +1562=2C6 @@ unsigned long mmap_region(struct file *file=2C un= signed long addr=2C=0A= =A0 }=0A= =A0=0A= =A0 /* Clear old maps */=0A= - error =3D -ENOMEM=3B=0A= =A0 while (find_vma_links(mm=2C addr=2C addr + len=2C &prev=2C &rb_link=2C= =0A= =A0 =A0 =A0 =A0&rb_parent)) {=0A= =A0 if (do_munmap(mm=2C addr=2C len))=0A= --=A0=0A= 1.9.3=0A= =0A= = --_51bf969f-87e7-4aec-9804-682a6baf25f7_ Content-Type: application/octet-stream Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="0001-mm-mmap.c-Remove-redundant-statement-error-ENOMEM.patch" RnJvbSA0MTUwZmQ1OWM0YWEzNWQzNmU4MTkyMGVjYjJhNTIyYzhjN2I2OGI5IE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBDaGVuIEdhbmcgPGdhbmcuY2hlbi41aTVqQGdtYWlsLmNvbT4K RGF0ZTogTW9uLCA1IE9jdCAyMDE1IDIzOjQzOjMwICswODAwClN1YmplY3Q6IFtQQVRDSF0gbW0v bW1hcC5jOiBSZW1vdmUgcmVkdW5kYW50IHN0YXRlbWVudCAiZXJyb3IgPSAtRU5PTUVNIgoKSXQg aXMgc3RpbGwgYSBsaXR0bGUgYmV0dGVyIHRvIHJlbW92ZSBpdCwgYWx0aG91Z2ggaXQgc2hvdWxk IGJlIHNraXBwZWQKYnkgIi1PMiIuCgpTaWduZWQtb2ZmLWJ5OiBDaGVuIEdhbmcgPGdhbmcuY2hl bi41aTVqQGdtYWlsLmNvbT4KLS0tCiBtbS9tbWFwLmMgfCAxIC0KIDEgZmlsZSBjaGFuZ2VkLCAx IGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvbW0vbW1hcC5jIGIvbW0vbW1hcC5jCmluZGV4IDgz OTM1ODAuLjFkYTQ2MDAgMTAwNjQ0Ci0tLSBhL21tL21tYXAuYworKysgYi9tbS9tbWFwLmMKQEAg LTE1NjIsNyArMTU2Miw2IEBAIHVuc2lnbmVkIGxvbmcgbW1hcF9yZWdpb24oc3RydWN0IGZpbGUg KmZpbGUsIHVuc2lnbmVkIGxvbmcgYWRkciwKIAl9CiAKIAkvKiBDbGVhciBvbGQgbWFwcyAqLwot CWVycm9yID0gLUVOT01FTTsKIAl3aGlsZSAoZmluZF92bWFfbGlua3MobW0sIGFkZHIsIGFkZHIg KyBsZW4sICZwcmV2LCAmcmJfbGluaywKIAkJCSAgICAgICZyYl9wYXJlbnQpKSB7CiAJCWlmIChk b19tdW5tYXAobW0sIGFkZHIsIGxlbikpCi0tIAoxLjkuMwoK --_51bf969f-87e7-4aec-9804-682a6baf25f7_--