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authorDavid Howells <dhowells@redhat.com>2006-12-08 02:37:53 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 08:28:51 -0800
commitef55d53caa055aedee13e77da82740987dd64f2d (patch)
tree243bbfca98e504401ea563d6c799ed23c12c08b8 /include/asm-powerpc/page_32.h
parent39d61db0edb34d60b83c5e0d62d0e906578cc707 (diff)
[PATCH] LOG2: Provide ilog2() fallbacks for powerpc
Provide ilog2() fallbacks for powerpc for 32-bit numbers and 64-bit numbers on ppc64. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-powerpc/page_32.h')
-rw-r--r--include/asm-powerpc/page_32.h10
1 files changed, 1 insertions, 9 deletions
diff --git a/include/asm-powerpc/page_32.h b/include/asm-powerpc/page_32.h
index 2677bad70f40..07f6d3cf5e5a 100644
--- a/include/asm-powerpc/page_32.h
+++ b/include/asm-powerpc/page_32.h
@@ -26,15 +26,7 @@ extern void clear_pages(void *page, int order);
static inline void clear_page(void *page) { clear_pages(page, 0); }
extern void copy_page(void *to, void *from);
-/* Pure 2^n version of get_order */
-extern __inline__ int get_order(unsigned long size)
-{
- int lz;
-
- size = (size-1) >> PAGE_SHIFT;
- asm ("cntlzw %0,%1" : "=r" (lz) : "r" (size));
- return 32 - lz;
-}
+#include <asm-generic/page.h>
#endif /* __ASSEMBLY__ */