diff options
| author | Ricardo M. Correia <[email protected]> | 2009-02-25 21:06:15 +0000 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2009-02-25 15:50:58 -0800 |
| commit | eb7c7f44e8b7630f027cf92e0490062428f7fced (patch) | |
| tree | 3461f07458feb4b7bffb9d0f2c3586196e142728 | |
| parent | 7819a92a9bb9e1bc5dd9f50bc644baf39f2946c9 (diff) | |
Changed ptob()/btop() mult/div into bit shifts.
Added necessary include for PAGE_SHIFT.
| -rw-r--r-- | include/sys/param.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/sys/param.h b/include/sys/param.h index d6b4f761f..dbcdb6e9c 100644 --- a/include/sys/param.h +++ b/include/sys/param.h @@ -1,8 +1,10 @@ #ifndef _SPL_PARAM_H #define _SPL_PARAM_H +#include <asm/page.h> + /* Pages to bytes and back */ -#define ptob(pages) (pages * PAGE_SIZE) -#define btop(bytes) (bytes / PAGE_SIZE) +#define ptob(pages) (pages << PAGE_SHIFT) +#define btop(bytes) (bytes >> PAGE_SHIFT) #endif /* SPL_PARAM_H */ |