From: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Date: Sat, 7 Nov 2015 00:29:40 +0000 (-0800)
Subject: mm: drop page->slab_page
X-Git-Tag: v4.4-rc1~77^2~69
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=474e4eeaf26b6c3298ca3ae9d0a705b0853efb2a;p=profile%2Fcommon%2Fplatform%2Fkernel%2Flinux-artik7.git

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>
Acked-by: Christoph Lameter <cl@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 0a85da2..c0ec46d 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -131,7 +131,6 @@ struct page {
 #endif
 		};
 
-		struct slab *slab_page; /* slab fields */
 		struct rcu_head rcu_head;	/* Used by SLAB
 						 * when destroying via RCU
 						 */