The origin code did not free the old map. The patch fixes it. Signed-off-by: Huang Shijie <shijie8@xxxxxxxxx> --- mm/percpu.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/mm/percpu.c b/mm/percpu.c index e61dc2c..d1c94e3 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -393,6 +393,7 @@ static int pcpu_extend_area_map(struct pcpu_chunk *chunk, int new_alloc) goto out_unlock; old_size = chunk->map_alloc * sizeof(chunk->map[0]); + old = chunk->map; memcpy(new, chunk->map, old_size); chunk->map_alloc = new_alloc; -- 1.6.6.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>