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mm/memblock.c: fix index adjustment error in __next_mem_range_rev()

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Fix region index adjustment error when parameter type_b of
__next_mem_range_rev() == NULL.

Signed-off-by: zijun_hu <zijun_hu@htc.com>
Cc: Alexander Kuleshov <kuleshovmail@gmail.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Wei Yang <weiyang@linux.vnet.ibm.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Richard Leitner <dev@g0hl1n.net>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
zijun_hu 2016-07-28 15:48:56 -07:00 committed by Linus Torvalds
parent 394e31d2ce
commit fb399b4854
1 changed files with 1 additions and 1 deletions
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2
mm/memblock.c
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@ -1027,7 +1027,7 @@ void __init_memblock __next_mem_range_rev(u64 *idx, int nid, ulong flags,
*out_end = m_end;
if (out_nid)
*out_nid = m_nid;
idx_a++;
idx_a--;
*idx = (u32)idx_a | (u64)idx_b << 32;
return;
}