linux-kernel - [PATCH] percpu: add __percpu notations to UP allocator

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Date:	Sat, 07 Aug 2010 14:26:37 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Namhyung Kim <namhyung@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: [PATCH] percpu: add __percpu notations to UP allocator

>From 94cb121c9483f1ec9b1ef0c249fbfc49c628fa6b Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@...il.com>
Date: Sat, 7 Aug 2010 03:26:24 +0900

Add __percpu notations to UP percpu allocator.

Signed-off-by: Namhyung Kim <namhyung@...il.com>
Signed-off-by: Tejun Heo <tj@...nel.org>
---
Applied to percpu#for-linus w/ slight commit description updates.

Thanks.

 mm/percpu_up.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/percpu_up.c b/mm/percpu_up.c
index c4351c7..db884fa 100644
--- a/mm/percpu_up.c
+++ b/mm/percpu_up.c
@@ -14,13 +14,13 @@ void __percpu *__alloc_percpu(size_t size, size_t align)
 	 * percpu sections on SMP for which this path isn't used.
 	 */
 	WARN_ON_ONCE(align > SMP_CACHE_BYTES);
-	return kzalloc(size, GFP_KERNEL);
+	return (void __percpu __force *)kzalloc(size, GFP_KERNEL);
 }
 EXPORT_SYMBOL_GPL(__alloc_percpu);

 void free_percpu(void __percpu *p)
 {
-	kfree(p);
+	kfree(this_cpu_ptr(p));
 }
 EXPORT_SYMBOL_GPL(free_percpu);

-- 
1.7.1

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