From: Christoph Lameter <cl@linux.com>
Date: Wed, 4 Jun 2014 23:07:56 +0000 (-0700)
Subject: mm: replace __get_cpu_var uses with this_cpu_ptr
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~56^2~16^2~167
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c8e0181e6e0b8079c4c2ce902bf52d7a2c6fa5d;p=pandora-kernel.git

mm: replace __get_cpu_var uses with this_cpu_ptr

Replace places where __get_cpu_var() is used for an address calculation
with this_cpu_ptr().

Signed-off-by: Christoph Lameter <cl@linux.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 9599aa72d7a0..55f7a9c27312 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -194,7 +194,7 @@ radix_tree_node_alloc(struct radix_tree_root *root)
 		 * succeed in getting a node here (and never reach
 		 * kmem_cache_alloc)
 		 */
-		rtp = &__get_cpu_var(radix_tree_preloads);
+		rtp = this_cpu_ptr(&radix_tree_preloads);
 		if (rtp->nr) {
 			ret = rtp->nodes[rtp->nr - 1];
 			rtp->nodes[rtp->nr - 1] = NULL;
@@ -250,14 +250,14 @@ static int __radix_tree_preload(gfp_t gfp_mask)
 	int ret = -ENOMEM;
 
 	preempt_disable();
-	rtp = &__get_cpu_var(radix_tree_preloads);
+	rtp = this_cpu_ptr(&radix_tree_preloads);
 	while (rtp->nr < ARRAY_SIZE(rtp->nodes)) {
 		preempt_enable();
 		node = kmem_cache_alloc(radix_tree_node_cachep, gfp_mask);
 		if (node == NULL)
 			goto out;
 		preempt_disable();
-		rtp = &__get_cpu_var(radix_tree_preloads);
+		rtp = this_cpu_ptr(&radix_tree_preloads);
 		if (rtp->nr < ARRAY_SIZE(rtp->nodes))
 			rtp->nodes[rtp->nr++] = node;
 		else
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