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| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2016-07-26 15:23:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-26 16:19:19 -0700 |
| commit | 371376750fce0abb09b1aa3fd8ae7025813a3488 (patch) | |
| tree | 7729f3a2a18f682dc72a7285f97d7a2408daa5c2 /tools/vm | |
| parent | a9627bc5e34e79ae80a33241b8a1501cc498e191 (diff) | |
| download | lwn-371376750fce0abb09b1aa3fd8ae7025813a3488.tar.gz lwn-371376750fce0abb09b1aa3fd8ae7025813a3488.zip | |
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>
Diffstat (limited to 'tools/vm')
| -rw-r--r-- | tools/vm/page_owner_sort.c | 9 |
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); |