sparc: Simplify code using is_power_of_2() routine.
authorRobert P. J. Day <rpjday@crashcourse.ca>
Fri, 24 Apr 2009 03:58:24 +0000 (03:58 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 16 Jun 2009 11:56:51 +0000 (04:56 -0700)
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/mm/srmmu.c

index 06c9a7d..ade4eb3 100644 (file)
@@ -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();
        }