From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f45.google.com (mail-pa0-f45.google.com [209.85.220.45]) by kanga.kvack.org (Postfix) with ESMTP id 702626B02C6 for ; Mon, 5 Oct 2015 11:55:36 -0400 (EDT) Received: by pacex6 with SMTP id ex6so180772831pac.0 for ; Mon, 05 Oct 2015 08:55:36 -0700 (PDT) Received: from COL004-OMC1S15.hotmail.com (col004-omc1s15.hotmail.com. [65.55.34.25]) by mx.google.com with ESMTPS id vb1si41153815pac.165.2015.10.05.08.55.35 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 05 Oct 2015 08:55:35 -0700 (PDT) Message-ID: Content-Type: multipart/mixed; boundary="_51bf969f-87e7-4aec-9804-682a6baf25f7_" From: Chen Gang Subject: [PATCH] mm/mmap.c: Remove redundant statement "error = -ENOMEM" Date: Mon, 5 Oct 2015 23:55:35 +0800 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: 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 --_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_-- -- 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