diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h | 20 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/pgtable.h | 3 |
2 files changed, 22 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h b/arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h index a46616937d20..785437323576 100644 --- a/arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h @@ -41,4 +41,24 @@ static inline int check_and_get_huge_psize(int shift) return shift_to_mmu_psize(shift); } +#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT +void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); + +#define __HAVE_ARCH_HUGE_PTE_CLEAR +static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, unsigned long sz) +{ + pte_update(mm, addr, ptep, ~0UL, 0, 1); +} + +#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT +static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + unsigned long clr = ~pte_val(pte_wrprotect(__pte(~0))); + unsigned long set = pte_val(pte_wrprotect(__pte(0))); + + pte_update(mm, addr, ptep, clr, set, 1); +} + #endif /* _ASM_POWERPC_NOHASH_32_HUGETLB_8XX_H */ diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index 5fb3f6798e22..ff78bf25f832 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -314,8 +314,9 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma, pte_t pte_clr = pte_mkyoung(pte_mkdirty(pte_mkwrite(pte_mkexec(__pte(~0))))); unsigned long set = pte_val(entry) & pte_val(pte_set); unsigned long clr = ~pte_val(entry) & ~pte_val(pte_clr); + int huge = psize > mmu_virtual_psize ? 1 : 0; - pte_update(vma->vm_mm, address, ptep, clr, set, 0); + pte_update(vma->vm_mm, address, ptep, clr, set, huge); flush_tlb_page(vma, address); } |