From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Subject: tools/vm/page_owner: increase temporary buffer size 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@xxxxxxx Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> Cc: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/vm/page_owner_sort.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff -puN tools/vm/page_owner_sort.c~tools-vm-page_owner-increase-temporary-buffer-size tools/vm/page_owner_sort.c --- a/tools/vm/page_owner_sort.c~tools-vm-page_owner-increase-temporary-buffer-size +++ a/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); _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
