Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=67a3b2b6ce09809b21f60401e81663f2c8131640
Commit: 67a3b2b6ce09809b21f60401e81663f2c8131640
Parent: 2118116e5ed2432a054d52f9925dbf92d2cb7279
Author: Robert P. J. Day <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 6 01:36:51 2008 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Feb 6 10:41:03 2008 -0800
rd: use is_power_of_2() in drivers/block/rd.c.
Signed-off-by: Robert P. J. Day <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/block/rd.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index 82f4eec..06e23be 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -56,6 +56,7 @@
#include <linux/backing-dev.h>
#include <linux/blkpg.h>
#include <linux/writeback.h>
+#include <linux/log2.h>
#include <asm/uaccess.h>
@@ -450,7 +451,7 @@ static int __init rd_init(void)
err = -ENOMEM;
if (rd_blocksize > PAGE_SIZE || rd_blocksize < 512 ||
- (rd_blocksize & (rd_blocksize-1))) {
+ !is_power_of_2(rd_blocksize)) {
printk("RAMDISK: wrong blocksize %d, reverting to defaults\n",
rd_blocksize);
rd_blocksize = BLOCK_SIZE;
-
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