Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9be26f4c4b138c425598bd3cc50411bd87fce287
Commit: 9be26f4c4b138c425598bd3cc50411bd87fce287
Parent: 189548642c5962e60c3667bdb3a703fe0bed12a6
Author: vignesh babu <[EMAIL PROTECTED]>
AuthorDate: Thu Jun 7 15:27:46 2007 +0530
Committer: Tony Luck <[EMAIL PROTECTED]>
CommitDate: Tue Jun 26 13:32:59 2007 -0700
[IA64] is_power_of_2-ia64/mm/hugetlbpage.c
Replacing (n & (n-1)) in the context of power of 2 checks
with is_power_of_2
Signed-off-by: vignesh babu <[EMAIL PROTECTED]>
Signed-off-by: Tony Luck <[EMAIL PROTECTED]>
---
arch/ia64/mm/hugetlbpage.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index 1346b7f..d22861c 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -15,6 +15,7 @@
#include <linux/pagemap.h>
#include <linux/slab.h>
#include <linux/sysctl.h>
+#include <linux/log2.h>
#include <asm/mman.h>
#include <asm/pgalloc.h>
#include <asm/tlb.h>
@@ -182,7 +183,7 @@ static int __init hugetlb_setup_sz(char *str)
tr_pages = 0x15557000UL;
size = memparse(str, &str);
- if (*str || (size & (size-1)) || !(tr_pages & size) ||
+ if (*str || !is_power_of_2(size) || !(tr_pages & size) ||
size <= PAGE_SIZE ||
size >= (1UL << PAGE_SHIFT << MAX_ORDER)) {
printk(KERN_WARNING "Invalid huge page size specified\n");
-
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