From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f50.google.com (mail-pa0-f50.google.com [209.85.220.50]) by kanga.kvack.org (Postfix) with ESMTP id D278B6B0255 for ; Tue, 10 Nov 2015 08:33:48 -0500 (EST) Received: by pacdm15 with SMTP id dm15so210581575pac.3 for ; Tue, 10 Nov 2015 05:33:48 -0800 (PST) Received: from mail-pa0-x230.google.com (mail-pa0-x230.google.com. [2607:f8b0:400e:c03::230]) by mx.google.com with ESMTPS id ya7si5203248pbc.121.2015.11.10.05.33.48 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 10 Nov 2015 05:33:48 -0800 (PST) Received: by pasz6 with SMTP id z6so242003765pas.2 for ; Tue, 10 Nov 2015 05:33:48 -0800 (PST) From: 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> 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: owner-linux-mm@kvack.org List-ID: 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 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, 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