linux-kernel - [patch 3/3]use new macros for x86 percpu readmostly section

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Date:	Thu, 02 Dec 2010 10:02:30 +0800
From:	Shaohua Li <shaohua.li@...el.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	"hpa@...or.com" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>, sam@...nborg.org,
	eric.dumazet@...il.com
Subject: [patch 3/3]use new macros for x86 percpu readmostly section

Use the new macros to correctly align percpu readmostly data.

Signed-off-by: Shaohua Li <shaohua.li@...el.com>
---
 arch/x86/kernel/vmlinux.lds.S |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux/arch/x86/kernel/vmlinux.lds.S
===================================================================
--- linux.orig/arch/x86/kernel/vmlinux.lds.S	2010-12-02 09:48:44.000000000 +0800
+++ linux/arch/x86/kernel/vmlinux.lds.S	2010-12-02 09:54:24.000000000 +0800
@@ -226,7 +226,7 @@ SECTIONS
 	 * output PHDR, so the next output section - .init.text - should
 	 * start another segment - init.
 	 */
-	PERCPU_VADDR(0, :percpu)
+	PERCPU_VADDR_CACHEALIGNED(0, :percpu, INTERNODE_CACHE_BYTES)
 #endif
 
 	INIT_TEXT_SECTION(PAGE_SIZE)
@@ -301,7 +301,7 @@ SECTIONS
 	}
 
 #if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP)
-	PERCPU(THREAD_SIZE)
+	PERCPU_CACHEALIGNED(THREAD_SIZE, INTERNODE_CACHE_BYTES)
 #endif
 
 	. = ALIGN(PAGE_SIZE);


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