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List: linux-sparc
Subject: [PATCH] SPARC: Simplify code using is_power_of_2() routine.
From: "Robert P. J. Day" <rpjday () crashcourse ! ca>
Date: 2009-04-24 13:58:24
Message-ID: alpine.LFD.2.00.0904240957240.17234 () localhost ! localdomain
[Download RAW message or body]
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
---
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 06c9a7d..ade4eb3 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -19,6 +19,7 @@
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/kdebug.h>
+#include <linux/log2.h>
#include <asm/bitext.h>
#include <asm/page.h>
@@ -349,7 +350,7 @@ static void srmmu_free_nocache(unsigned long vaddr, int size)
vaddr, srmmu_nocache_end);
BUG();
}
- if (size & (size-1)) {
+ if (!is_power_of_2(size)) {
printk("Size 0x%x is not a power of 2\n", size);
BUG();
}
========================================================================
Robert P. J. Day Waterloo, Ontario, CANADA
Linux Consulting, Training and Annoying Kernel Pedantry.
Web page: http://crashcourse.ca
Linked In: http://www.linkedin.com/in/rpjday
Twitter: http://twitter.com/rpjday
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