From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f71.google.com (mail-wm0-f71.google.com [74.125.82.71]) by kanga.kvack.org (Postfix) with ESMTP id C81B0280290 for ; Tue, 27 Sep 2016 12:08:40 -0400 (EDT) Received: by mail-wm0-f71.google.com with SMTP id b130so12652527wmc.2 for ; Tue, 27 Sep 2016 09:08:40 -0700 (PDT) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id y6si3055349wjg.51.2016.09.27.09.08.33 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 27 Sep 2016 09:08:35 -0700 (PDT) From: Jan Kara Subject: [PATCH 11/20] mm: Remove unnecessary vma->vm_ops check Date: Tue, 27 Sep 2016 18:08:15 +0200 Message-Id: <1474992504-20133-12-git-send-email-jack@suse.cz> In-Reply-To: <1474992504-20133-1-git-send-email-jack@suse.cz> References: <1474992504-20133-1-git-send-email-jack@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: linux-fsdevel@vger.kernel.org, linux-nvdimm@lists.01.org, Dan Williams , Ross Zwisler , "Kirill A. Shutemov" , Jan Kara We don't check whether vma->vm_ops is NULL in do_shared_fault() so there's hardly any point in checking it in wp_page_shared() which gets called only for shared file mappings as well. Signed-off-by: Jan Kara --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory.c b/mm/memory.c index a4522e8999b2..63d9c1a54caf 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2301,7 +2301,7 @@ static int wp_page_shared(struct vm_fault *vmf, struct page *old_page) get_page(old_page); - if (vma->vm_ops && vma->vm_ops->page_mkwrite) { + if (vma->vm_ops->page_mkwrite) { int tmp; pte_unmap_unlock(vmf->pte, vmf->ptl); -- 2.6.6 -- 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