From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752728AbdJTTLB (ORCPT ); Fri, 20 Oct 2017 15:11:01 -0400 Received: from gateway20.websitewelcome.com ([192.185.44.20]:24040 "EHLO gateway20.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751028AbdJTTLA (ORCPT ); Fri, 20 Oct 2017 15:11:00 -0400 X-Greylist: delayed 78154 seconds by postgrey-1.27 at vger.kernel.org; Fri, 20 Oct 2017 15:11:00 EDT Date: Fri, 20 Oct 2017 14:10:58 -0500 From: "Gustavo A. R. Silva" To: Hugh Dickins Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] mm: shmem: mark expected switch fall-through Message-ID: <20171020191058.GA24427@embeddedor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 187.172.29.132 X-Exim-ID: 1e5ch9-003Rgy-7U X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [187.172.29.132]:59782 X-Source-Auth: garsilva@embeddedor.com X-Email-Count: 5 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva --- This code was tested by compilation only (GCC 7.2.0 was used). Please, verify if the actual intention of the code is to fall through. mm/shmem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/shmem.c b/mm/shmem.c index 9a981f0..fc6f3fd 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -4098,6 +4098,7 @@ bool shmem_huge_enabled(struct vm_area_struct *vma) if (i_size >= HPAGE_PMD_SIZE && i_size >> PAGE_SHIFT >= off) return true; + /* fall through */ case SHMEM_HUGE_ADVISE: /* TODO: implement fadvise() hints */ return (vma->vm_flags & VM_HUGEPAGE); -- 2.7.4