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Subject[PATCH 08/24] mm/memblock: drop WARN and use SMP_CACHE_BYTES as a default alignment
Date
From: Grygorii Strashko <grygorii.strashko@ti.com>

drop WARN and use SMP_CACHE_BYTES as a default alignment in
memblock_alloc_base_nid() as recommended by Tejun Heo in
https://lkml.org/lkml/2013/10/13/117.

Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
mm/memblock.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/memblock.c b/mm/memblock.c
index 88a6a0e..36b795f 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -785,8 +785,8 @@ static phys_addr_t __init memblock_alloc_base_nid(phys_addr_t size,
{
phys_addr_t found;

- if (WARN_ON(!align))
- align = __alignof__(long long);
+ if (!align)
+ align = SMP_CACHE_BYTES;

/* align @size to avoid excessive fragmentation on reserved array */
size = round_up(size, align);
--
1.7.9.5


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