From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx124.postini.com [74.125.245.124]) by kanga.kvack.org (Postfix) with SMTP id 16DC76B0005 for ; Sun, 7 Apr 2013 05:18:42 -0400 (EDT) Received: by mail-pd0-f196.google.com with SMTP id 10so2136659pdc.11 for ; Sun, 07 Apr 2013 02:18:41 -0700 (PDT) From: k80c Subject: [PATCH 1/1] mmap.c: find_vma: eliminate initial if(mm) check Date: Sun, 7 Apr 2013 14:48:12 +0530 Message-Id: <1365326292-2761-1-git-send-email-k80ck80c@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , Michel Lespinasse , Rik van Riel , Al Viro , Ingo Molnar Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, k80c As per commit 841e31e5cc6219d62054788faa289b6ed682d068, we dont really need this if(mm) check anymore. A WARN_ON_ONCE was added just for safety, but there have been no bug reports about this so far. Removing this if(mm) check. Signed-off-by: k80c --- mm/mmap.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index 0db0de1..b2c363f 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1935,9 +1935,6 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr) { struct vm_area_struct *vma = NULL; - if (WARN_ON_ONCE(!mm)) /* Remove this in linux-3.6 */ - return NULL; - /* Check the cache first. */ /* (Cache hit rate is typically around 35%.) */ vma = ACCESS_ONCE(mm->mmap_cache); -- 1.7.5.4 -- 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