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| author | Keir Fraser <keir@xen.org> | 2011-03-23 13:34:55 +0000 |
|---|---|---|
| committer | Keir Fraser <keir@xen.org> | 2011-03-23 13:34:55 +0000 |
| commit | 1ab2732dd07007b64250ad42794f1c79cf02d8a7 (patch) | |
| tree | 91d0cf671ad6967ac2c130182a5c9156ac5bd106 /xen/include/xen/pfn.h | |
| parent | 5eb11a181bcdbc054103c0157309cdd90c9dea00 (diff) | |
| download | xen-1ab2732dd07007b64250ad42794f1c79cf02d8a7.tar.gz xen-1ab2732dd07007b64250ad42794f1c79cf02d8a7.tar.bz2 xen-1ab2732dd07007b64250ad42794f1c79cf02d8a7.zip | |
Define new <pfn.h> header for PFN_{DOWN,UP} macros.
Signed-off-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'xen/include/xen/pfn.h')
| -rw-r--r-- | xen/include/xen/pfn.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/xen/include/xen/pfn.h b/xen/include/xen/pfn.h new file mode 100644 index 0000000000..3626197de3 --- /dev/null +++ b/xen/include/xen/pfn.h @@ -0,0 +1,9 @@ +#ifndef __XEN_PFN_H__ +#define __XEN_PFN_H__ + +#include <asm/page.h> + +#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) +#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) + +#endif /* __XEN_PFN_H__ */ |