Commit ef3cc4db authored Jul 26, 2016 by nimisolo Committed by Linus Torvalds Jul 26, 2016

mm/memblock.c:memblock_add_range(): if nr_new is 0 just return



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@gmail.com>
Cc: Alexander Kuleshov <kuleshovmail@gmail.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Wei Yang <weiyang@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 8a5c743e

mm/memblock.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -584,6 +584,9 @@ 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.

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