linux-kernel - [PATCH 3/4] mm: Move ARCH_SLAB_MINALIGN and ARCH_KMALLOC_MINALIGN to <linux/slub

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Date:	Wed, 19 May 2010 12:02:14 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Herbert Xu <herbert@...dor.apana.org.au>, christoph@...eter.com
Cc:	David Miller <davem@...emloft.net>, penberg@...helsinki.fi,
	mpm@...enic.com, ken@...elabs.ch, geert@...ux-m68k.org,
	michael-dev@...i-braun.de, linux-kernel@...r.kernel.org,
	linux-crypto@...r.kernel.org, anemo@....ocn.ne.jp
Subject: [PATCH 3/4] mm: Move ARCH_SLAB_MINALIGN and ARCH_KMALLOC_MINALIGN
 to <linux/slub_def.h>

Signed-off-by: David Woodhouse <David.Woodhouse@...el.com>
---
 include/linux/slub_def.h |    8 ++++++++
 mm/slub.c                |    8 --------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 0249d41..55695c8 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -116,6 +116,14 @@ struct kmem_cache {
 
 #define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE)
 
+#ifndef ARCH_KMALLOC_MINALIGN
+#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
+#endif
+
+#ifndef ARCH_SLAB_MINALIGN
+#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
+#endif
+
 /*
  * Maximum kmalloc object size handled by SLUB. Larger object allocations
  * are passed through to the page allocator. The page allocator "fastpath"
diff --git a/mm/slub.c b/mm/slub.c
index d2a54fe..c874c3e 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -157,14 +157,6 @@
 #define SLUB_MERGE_SAME (SLAB_DEBUG_FREE | SLAB_RECLAIM_ACCOUNT | \
 		SLAB_CACHE_DMA | SLAB_NOTRACK)
 
-#ifndef ARCH_KMALLOC_MINALIGN
-#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
-#endif
-
-#ifndef ARCH_SLAB_MINALIGN
-#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
-#endif
-
 #define OO_SHIFT	16
 #define OO_MASK		((1 << OO_SHIFT) - 1)
 #define MAX_OBJS_PER_PAGE	65535 /* since page.objects is u16 */
-- 
1.6.6.1



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