linux-kernel - [PATCH 08/24] mm/memblock: drop WARN and use SMP_CACHE

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Message-ID: <1383954120-24368-9-git-send-email-santosh.shilimkar@ti.com>
Date:	Fri, 8 Nov 2013 18:41:44 -0500
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	<tj@...nel.org>, <linux-kernel@...r.kernel.org>
CC:	<linux-mm@...ck.org>, <linux-arm-kernel@...ts.infradead.org>,
	Grygorii Strashko <grygorii.strashko@...com>,
	Yinghai Lu <yinghai@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 08/24] mm/memblock: drop WARN and use SMP_CACHE_BYTES as a default alignment

From: Grygorii Strashko <grygorii.strashko@...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@...nel.org>
Cc: Tejun Heo <tj@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>

Signed-off-by: Grygorii Strashko <grygorii.strashko@...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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