If nr_new is 0 which means there's no region would be added, so just return to the caller. Signed-off-by: nimisolo <nimisolo@xxxxxxxxx> --- mm/memblock.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/memblock.c b/mm/memblock.c index d300f13..9a30077 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -588,6 +588,9 @@ repeat: nid, flags); } + if (!nr_new) + return 0; + /* * If this was the first round, resize array and repeat for actual * insertions; otherwise, merge and return. -- 2.5.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>