diff options
Diffstat (limited to 'include/asm-sparc64/pgtable.h')
| -rw-r--r-- | include/asm-sparc64/pgtable.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h index af9bf175a22..ae2cd5b09a7 100644 --- a/include/asm-sparc64/pgtable.h +++ b/include/asm-sparc64/pgtable.h @@ -416,6 +416,11 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t prot); +/* Clear virtual and physical cachability, set side-effect bit. */ +#define pgprot_noncached(prot) \ + (__pgprot((pgprot_val(prot) & ~(_PAGE_CP | _PAGE_CV)) | \ + _PAGE_E)) + /* * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in * its high 4 bits. These macros/functions put it there or get it from there. |