X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Fpowerpc%2Fmm%2Fpgtable_32.c;h=c284bdac9947088e57fb66bc120639422eaf8900;hp=1891dbeeb8e9deb7ac88718fbb4680f54b579558;hb=920841d8d1d61bc12b43f95a579a5374f6d98f81;hpb=ec0bf39a471bf6fcd01def2bd677128cea940b73

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 1891dbeeb8e9..c284bdac9947 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -294,11 +294,8 @@ void __init mapin_ram(void)
 	}
 }
 
-/* is x a power of 2? */
-#define is_power_of_2(x)	((x) != 0 && (((x) & ((x) - 1)) == 0))
-
 /* is x a power of 4? */
-#define is_power_of_4(x)	((x) != 0 && (((x) & (x-1)) == 0) && (ffs(x) & 1))
+#define is_power_of_4(x)	is_power_of_2(x) && (ffs(x) & 1)
 
 /*
  * Set up a mapping for a block of I/O.