diff options
| -rw-r--r-- | mm/internal.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index 5ca1e7842b19ea..473b29ddf85dcd 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -1681,4 +1681,22 @@ void remap_pfn_range_prepare(struct vm_area_desc *desc, unsigned long pfn); int remap_pfn_range_complete(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn, unsigned long size, pgprot_t pgprot); +static inline void io_remap_pfn_range_prepare(struct vm_area_desc *desc, + unsigned long orig_pfn, unsigned long size) +{ + const unsigned long pfn = io_remap_pfn_range_pfn(orig_pfn, size); + + return remap_pfn_range_prepare(desc, pfn); +} + +static inline int io_remap_pfn_range_complete(struct vm_area_struct *vma, + unsigned long addr, unsigned long orig_pfn, unsigned long size, + pgprot_t orig_prot) +{ + const unsigned long pfn = io_remap_pfn_range_pfn(orig_pfn, size); + const pgprot_t prot = pgprot_decrypted(orig_prot); + + return remap_pfn_range_complete(vma, addr, pfn, size, prot); +} + #endif /* __MM_INTERNAL_H */ |