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[PATCHv2 1/4] mm: drop page->slab_page

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  [PATCHv2 1/4] mm: drop page->slab_page "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2015-08-17 17:10 +0200
    Re: [PATCHv2 1/4] mm: drop page->slab_page David Rientjes <rientjes@google.com> - 2015-08-18 02:50 +0200

#1208636 — [PATCHv2 1/4] mm: drop page->slab_page

Since 8456a648cf44 ("slab: use struct page for slab management") nobody
uses slab_page field in struct page.

Let's drop it.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Christoph Lameter <cl@linux.com>
---
 include/linux/mm_types.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 0038ac7466fd..58620ac7f15c 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -140,7 +140,6 @@ struct page {
 #endif
 		};
 
-		struct slab *slab_page; /* slab fields */
 		struct rcu_head rcu_head;	/* Used by SLAB
 						 * when destroying via RCU
 						 */
-- 
2.5.0

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#1208984

On Mon, 17 Aug 2015, Kirill A. Shutemov wrote:

> Since 8456a648cf44 ("slab: use struct page for slab management") nobody
> uses slab_page field in struct page.
> 
> Let's drop it.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
> Cc: Andi Kleen <ak@linux.intel.com>
> Cc: Christoph Lameter <cl@linux.com>

Acked-by: David Rientjes <rientjes@google.com>
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