Commit 9be26f4c authored by vignesh babu's avatar vignesh babu Committed by Tony Luck

[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: default avatarvignesh babu <vignesh.babu@wipro.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 18954864
......@@ -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");
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment