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authorzijun_hu <[email protected]>2016-07-28 15:48:56 -0700
committerLinus Torvalds <[email protected]>2016-07-28 16:07:41 -0700
commitfb399b4854d2159a4d23fbfbd7daaed914fd54fa (patch)
treec974e06ef53e9832575250ec4a105bc7be7c0e79
parent394e31d2ceb4b9eae25bd9ed8ea8cb19a40ff181 (diff)
mm/memblock.c: fix index adjustment error in __next_mem_range_rev()
Fix region index adjustment error when parameter type_b of __next_mem_range_rev() == NULL. Signed-off-by: zijun_hu <[email protected]> Cc: Alexander Kuleshov <[email protected]> Cc: Ard Biesheuvel <[email protected]> Cc: Tang Chen <[email protected]> Cc: Wei Yang <[email protected]> Cc: Tang Chen <[email protected]> Cc: Richard Leitner <[email protected]> Cc: David Gibson <[email protected]> Cc: Tejun Heo <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--mm/memblock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index 4884a162e3ad..ff5ff3b5f1ea 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -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;
}