diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:15:01 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:15:01 +0000 |
| commit | 7996a3d79d55b7f879dfd62e202bbfe2963718d3 (patch) | |
| tree | 8d9f6759fec4099b9be503c11c7ed174f7204980 /libdde-linux26/contrib/include/linux/pfn.h | |
| parent | 4fbe7358c7747a9165f776eb19addbb9baf7def2 (diff) | |
really properly move files
Diffstat (limited to 'libdde-linux26/contrib/include/linux/pfn.h')
| -rw-r--r-- | libdde-linux26/contrib/include/linux/pfn.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/linux/pfn.h b/libdde-linux26/contrib/include/linux/pfn.h new file mode 100644 index 00000000..76466372 --- /dev/null +++ b/libdde-linux26/contrib/include/linux/pfn.h @@ -0,0 +1,13 @@ +#ifndef _LINUX_PFN_H_ +#define _LINUX_PFN_H_ + +#ifndef __ASSEMBLY__ +#include <linux/types.h> +#endif + +#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) +#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) +#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) +#define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT) + +#endif |