diff options
Diffstat (limited to 'arch/alpha/include/asm/pgtable.h')
| -rw-r--r-- | arch/alpha/include/asm/pgtable.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h index 268ddde33617..8e00cf9dc39d 100644 --- a/arch/alpha/include/asm/pgtable.h +++ b/arch/alpha/include/asm/pgtable.h @@ -127,6 +127,17 @@ struct vm_area_struct; #define pgprot_noncached(prot) (prot) /* + * All caching attribute macros are identity on Alpha, so the generic + * pgprot_modify() degenerates to tautological self-comparisons. + * Override it to just return newprot directly. + */ +#define pgprot_modify pgprot_modify +static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot) +{ + return newprot; +} + +/* * On certain platforms whose physical address space can overlap KSEG, * namely EV6 and above, we must re-twiddle the physaddr to restore the * correct high-order bits. |