From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753139AbcEZCiP (ORCPT ); Wed, 25 May 2016 22:38:15 -0400 Received: from mail-pf0-f195.google.com ([209.85.192.195]:36392 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753103AbcEZCiM (ORCPT ); Wed, 25 May 2016 22:38:12 -0400 From: js1304@gmail.com X-Google-Original-From: iamjoonsoo.kim@lge.com 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, Joonsoo Kim Subject: [PATCH v2 5/7] tools/vm/page_owner: increase temporary buffer size Date: Thu, 26 May 2016 11:37:53 +0900 Message-Id: <1464230275-25791-5-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464230275-25791-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1464230275-25791-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joonsoo Kim Page owner will be changed to store more deep stacktrace so current temporary buffer size isn't enough. Increase it. Signed-off-by: Joonsoo Kim --- 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