Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752974AbbKJNdv (ORCPT ); Tue, 10 Nov 2015 08:33:51 -0500 Received: from mail-pa0-f44.google.com ([209.85.220.44]:34791 "EHLO mail-pa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752891AbbKJNds (ORCPT ); Tue, 10 Nov 2015 08:33:48 -0500 From: Sergey Senozhatsky To: Andrew Morton Cc: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky , Sergey Senozhatsky Subject: [PATCH 2/3] tools/vm/page-types: suppress gcc warnings Date: Tue, 10 Nov 2015 22:32:05 +0900 Message-Id: <1447162326-30626-3-git-send-email-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 2.6.2.280.g74301d6 In-Reply-To: <1447162326-30626-1-git-send-email-sergey.senozhatsky@gmail.com> References: <1447162326-30626-1-git-send-email-sergey.senozhatsky@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1253 Lines: 40 Define 'end' and 'first' as volatile to suppress gcc warnings: page-types.c:854:13: warning: variable 'end' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered] page-types.c:858:6: warning: variable 'first' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered] Signed-off-by: Sergey Senozhatsky --- tools/vm/page-types.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c index bcf5ec7..0651cd5 100644 --- a/tools/vm/page-types.c +++ b/tools/vm/page-types.c @@ -851,11 +851,12 @@ static void walk_file(const char *name, const struct stat *st) uint8_t vec[PAGEMAP_BATCH]; uint64_t buf[PAGEMAP_BATCH], flags; unsigned long nr_pages, pfn, i; - off_t off, end = st->st_size; + off_t off; int fd; ssize_t len; void *ptr; - int first = 1; + volatile int first = 1; + volatile off_t end = st->st_size; fd = checked_open(name, O_RDONLY|O_NOATIME|O_NOFOLLOW); -- 2.6.2.280.g74301d6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/