From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f200.google.com (mail-io0-f200.google.com [209.85.223.200]) by kanga.kvack.org (Postfix) with ESMTP id 4B70E828E1 for ; Fri, 17 Jun 2016 03:58:01 -0400 (EDT) Received: by mail-io0-f200.google.com with SMTP id g13so138629510ioj.3 for ; Fri, 17 Jun 2016 00:58:01 -0700 (PDT) Received: from mail-pf0-x244.google.com (mail-pf0-x244.google.com. [2607:f8b0:400e:c00::244]) by mx.google.com with ESMTPS id hg8si19641716pac.239.2016.06.17.00.58.00 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 17 Jun 2016 00:58:00 -0700 (PDT) Received: by mail-pf0-x244.google.com with SMTP id 66so5735252pfy.1 for ; Fri, 17 Jun 2016 00:58:00 -0700 (PDT) From: js1304@gmail.com Subject: [PATCH v3 5/9] tools/vm/page_owner: increase temporary buffer size Date: Fri, 17 Jun 2016 16:57:35 +0900 Message-Id: <1466150259-27727-6-git-send-email-iamjoonsoo.kim@lge.com> In-Reply-To: <1466150259-27727-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1466150259-27727-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Vlastimil Babka , mgorman@techsingularity.net, Minchan Kim , Alexander Potapenko , Hugh Dickins , Michal Hocko , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Sasha Levin , Joonsoo Kim From: Joonsoo Kim Page owner will be changed to store more deep stacktrace so current temporary buffer size isn't enough. Increase it. Link: http://lkml.kernel.org/r/1464230275-25791-5-git-send-email-iamjoonsoo.kim@lge.com Signed-off-by: Joonsoo Kim Cc: Vlastimil Babka Cc: Mel Gorman Cc: Minchan Kim Cc: Alexander Potapenko Cc: Hugh Dickins Cc: Michal Hocko --- tools/vm/page_owner_sort.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/tools/vm/page_owner_sort.c b/tools/vm/page_owner_sort.c index 77147b4..f1c055f 100644 --- a/tools/vm/page_owner_sort.c +++ b/tools/vm/page_owner_sort.c @@ -79,12 +79,12 @@ static void add_list(char *buf, int len) } } -#define BUF_SIZE 1024 +#define BUF_SIZE (128 * 1024) int main(int argc, char **argv) { FILE *fin, *fout; - char buf[BUF_SIZE]; + char *buf; int ret, i, count; struct block_list *list2; struct stat st; @@ -107,6 +107,11 @@ int main(int argc, char **argv) max_size = st.st_size / 100; /* hack ... */ list = malloc(max_size * sizeof(*list)); + buf = malloc(BUF_SIZE); + if (!list || !buf) { + printf("Out of memory\n"); + exit(1); + } for ( ; ; ) { ret = read_block(buf, BUF_SIZE, fin); -- 1.9.1 -- 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