Replacing (n & (n-1)) in the context of power of 2 checks
with is_power_of_2
Signed-off-by: vignesh babu <[EMAIL PROTECTED]>
---
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index c113458..f6c35a3 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -34,6 +34,7 @@
*/
#include <linux/vmalloc.h>
+#include <linux/log2.h>
#include "drmP.h"
unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource)
@@ -1653,7 +1654,7 @@ int drm_order(unsigned long size)
for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++) ;
- if (size & (size - 1))
+ if (!is_power_of_2(size))
++order;
return order;
--
Vignesh Babu BM
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