diff options
Diffstat (limited to 'arch/powerpc/mm/hugepage-hash64.c')
| -rw-r--r-- | arch/powerpc/mm/hugepage-hash64.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c index eb2accdd7..ba3fc2294 100644 --- a/arch/powerpc/mm/hugepage-hash64.c +++ b/arch/powerpc/mm/hugepage-hash64.c @@ -37,20 +37,20 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, old_pmd = pmd_val(pmd); /* If PMD busy, retry the access */ - if (unlikely(old_pmd & _PAGE_BUSY)) + if (unlikely(old_pmd & H_PAGE_BUSY)) return 0; /* If PMD permissions don't match, take page fault */ - if (unlikely(access & ~old_pmd)) + if (unlikely(!check_pte_access(access, old_pmd))) return 1; /* * Try to lock the PTE, add ACCESSED and DIRTY if it was * a write access */ - new_pmd = old_pmd | _PAGE_BUSY | _PAGE_ACCESSED; - if (access & _PAGE_RW) + new_pmd = old_pmd | H_PAGE_BUSY | _PAGE_ACCESSED; + if (access & _PAGE_WRITE) new_pmd |= _PAGE_DIRTY; - } while (old_pmd != __cmpxchg_u64((unsigned long *)pmdp, - old_pmd, new_pmd)); + } while (!pmd_xchg(pmdp, __pmd(old_pmd), __pmd(new_pmd))); + rflags = htab_convert_pte_flags(new_pmd); #if 0 @@ -78,7 +78,7 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, * base page size. This is because demote_segment won't flush * hash page table entries. */ - if ((old_pmd & _PAGE_HASHPTE) && !(old_pmd & _PAGE_COMBO)) { + if ((old_pmd & H_PAGE_HASHPTE) && !(old_pmd & H_PAGE_COMBO)) { flush_hash_hugepage(vsid, ea, pmdp, MMU_PAGE_64K, ssize, flags); /* @@ -125,7 +125,7 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, hash = hpt_hash(vpn, shift, ssize); /* insert new entry */ pa = pmd_pfn(__pmd(old_pmd)) << PAGE_SHIFT; - new_pmd |= _PAGE_HASHPTE; + new_pmd |= H_PAGE_HASHPTE; repeat: hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL; @@ -169,17 +169,17 @@ repeat: mark_hpte_slot_valid(hpte_slot_array, index, slot); } /* - * Mark the pte with _PAGE_COMBO, if we are trying to hash it with + * Mark the pte with H_PAGE_COMBO, if we are trying to hash it with * base page size 4k. */ if (psize == MMU_PAGE_4K) - new_pmd |= _PAGE_COMBO; + new_pmd |= H_PAGE_COMBO; /* * The hpte valid is stored in the pgtable whose address is in the * second half of the PMD. Order this against clearing of the busy bit in * huge pmd. */ smp_wmb(); - *pmdp = __pmd(new_pmd & ~_PAGE_BUSY); + *pmdp = __pmd(new_pmd & ~H_PAGE_BUSY); return 0; } |