From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752706AbdJTTH5 (ORCPT ); Fri, 20 Oct 2017 15:07:57 -0400 Received: from gateway32.websitewelcome.com ([192.185.145.107]:49467 "EHLO gateway32.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752050AbdJTTH4 (ORCPT ); Fri, 20 Oct 2017 15:07:56 -0400 Date: Fri, 20 Oct 2017 14:07:54 -0500 From: "Gustavo A. R. Silva" To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] mm: list_lru: mark expected switch fall-through Message-ID: <20171020190754.GA24332@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: 1e5ceB-003Pdc-JX X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [187.172.29.132]:59772 X-Source-Auth: garsilva@embeddedor.com X-Email-Count: 2 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/list_lru.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/list_lru.c b/mm/list_lru.c index f8c7de8..278db98 100644 --- a/mm/list_lru.c +++ b/mm/list_lru.c @@ -222,6 +222,7 @@ __list_lru_walk_one(struct list_lru *lru, int nid, int memcg_idx, switch (ret) { case LRU_REMOVED_RETRY: assert_spin_locked(&nlru->lock); + /* fall through */ case LRU_REMOVED: isolated++; nlru->nr_items--; -- 2.7.4