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authorJoonsoo Kim <iamjoonsoo.kim@lge.com>2016-07-26 15:23:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-26 16:19:19 -0700
commit371376750fce0abb09b1aa3fd8ae7025813a3488 (patch)
tree7729f3a2a18f682dc72a7285f97d7a2408daa5c2
parenta9627bc5e34e79ae80a33241b8a1501cc498e191 (diff)
downloadlinux-371376750fce0abb09b1aa3fd8ae7025813a3488.tar.bz2
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@lge.com Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Minchan Kim <minchan@kernel.org> Cc: Alexander Potapenko <glider@google.com> Cc: Hugh Dickins <hughd@google.com> Cc: Michal Hocko <mhocko@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--tools/vm/page_owner_sort.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/vm/page_owner_sort.c b/tools/vm/page_owner_sort.c
index 77147b42d598..f1c055f3c243 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);