Commit b476e295 authored Apr 29, 2013 by Joonsoo Kim Committed by Linus Torvalds Apr 29, 2013

mm, nobootmem: do memset() after memblock_reserve()

Currently, we do memset() before reserving the area.  This may not cause
any problem, but it is somewhat weird.  So change execution order.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent b4def350

mm/nobootmem.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -45,9 +45,9 @@ static void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,
		if (!addr)
		return NULL;

		memblock_reserve(addr, size);
		ptr = phys_to_virt(addr);
		memset(ptr, 0, size);
		memblock_reserve(addr, size);
		/*
		* The min_count is set to 0 so that bootmem allocated blocks
		* are never reported as leaks.