On 06/17/2016 09:57 AM, js1...@gmail.com wrote:
From: Joonsoo Kim <iamjoonsoo....@lge.com>
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....@lge.com
Signed-off-by: Joonsoo Kim <iamjoonsoo....@lge.com>
Cc: Vlastimil Babka <vba...@suse.cz>
Acked-by: Vlastimil Babka <vba...@suse.cz>
Cc: Mel Gorman <mgor...@techsingularity.net>
Cc: Minchan Kim <minc...@kernel.org>
Cc: Alexander Potapenko <gli...@google.com>
Cc: Hugh Dickins <hu...@google.com>
Cc: Michal Hocko <mho...@kernel.org>
---
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);
