From 22a9835c350782a5c3257343713932af3ac92ee0 Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Mon, 27 Mar 2006 01:16:04 -0800 Subject: [PATCH] unify PFN_* macros Just about every architecture defines some macros to do operations on pfns. They're all virtually identical. This patch consolidates all of them. One minor glitch is that at least i386 uses them in a very skeletal header file. To keep away from #include dependency hell, I stuck the new definitions in a new, isolated header. Of all of the implementations, sh64 is the only one that varied by a bit. It used some masks to ensure that any sign-extension got ripped away before the arithmetic is done. This has been posted to that sh64 maintainers and the development list. Compiles on x86, x86_64, ia64 and ppc64. Signed-off-by: Dave Hansen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sh/kernel/setup.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'arch/sh/kernel/setup.c') diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index c0e79843f58..7ee4ca20361 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -275,10 +276,6 @@ void __init setup_arch(char **cmdline_p) sh_mv_setup(cmdline_p); -#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) -#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) -#define PFN_PHYS(x) ((x) << PAGE_SHIFT) - /* * Find the highest page frame number we have available */ -- cgit v1.2.3-70-g09d2