linux-kernel - [PATCH 3/3] arch/sh: use __page_aligned

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Message-ID: <483D82BB.8040005@goop.org>
Date:	Wed, 28 May 2008 17:05:15 +0100
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Paul Mundt <lethal@...ux-sh.org>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	Ingo Molnar <mingo@...e.hu>, Sam Ravnborg <sam@...nborg.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/3] arch/sh: use __page_aligned_bss

The patch "make page-aligned data and bss less fragile" introduces
__page_aligned_data and __page_aligned_bss to make sure that page
aligned things remain so, even if there are non-page-sized
page-aligned things.

This paragraph converts the two C instances of page-aligned bss
variables to use them.  It's a purely decorative patch.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Cc: Paul Mundt <lethal@...ux-sh.org>
---
 arch/sh/kernel/irq.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

===================================================================
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -9,6 +9,7 @@
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/linkage.h>
 #include <linux/kernel_stat.h>
 #include <linux/seq_file.h>
 #include <asm/processor.h>
@@ -157,11 +158,8 @@
 }
 
 #ifdef CONFIG_IRQSTACKS
-static char softirq_stack[NR_CPUS * THREAD_SIZE]
-		__attribute__((__section__(".bss.page_aligned")));
-
-static char hardirq_stack[NR_CPUS * THREAD_SIZE]
-		__attribute__((__section__(".bss.page_aligned")));
+static char softirq_stack[NR_CPUS * THREAD_SIZE] __page_aligned_bss;
+static char hardirq_stack[NR_CPUS * THREAD_SIZE] __page_aligned_bss;
 
 /*
  * allocate per-cpu stacks for hardirq and for softirq processing


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