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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:16:15 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:16:15 +0000 |
| commit | 34e3b522eca7e8741cecb7c2241091f181d1bd1f (patch) | |
| tree | 3b64ac3aa4603539b8f8f384bc39998e29948900 /libdde_linux26/contrib/include/linux/pfn.h | |
| parent | d4e6a14eb3fad1b43a21214db139db441025baf5 (diff) | |
| parent | 6fafeb146e9efd59140ea58cebd7dd38ae9a6379 (diff) | |
Merge branch 'upstream-merged'
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 |