diff options
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 5615acc29527..89c836d54809 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -146,6 +146,11 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr) return hugepte_offset(hpdp, addr); } +int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep) +{ + return 0; +} + static void free_hugepte_range(struct mmu_gather *tlb, hugepd_t *hpdp) { pte_t *hugepte = hugepd_page(*hpdp); @@ -480,9 +485,6 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas) mm->context.high_htlb_areas |= newareas; - /* update the paca copy of the context struct */ - get_paca()->context = mm->context; - /* the context change must make it to memory before the flush, * so that further SLB misses do the right thing. */ mb(); @@ -494,11 +496,15 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas) return 0; } -int prepare_hugepage_range(unsigned long addr, unsigned long len) +int prepare_hugepage_range(unsigned long addr, unsigned long len, pgoff_t pgoff) { int err = 0; - if ( (addr+len) < addr ) + if (pgoff & (~HPAGE_MASK >> PAGE_SHIFT)) + return -EINVAL; + if (len & ~HPAGE_MASK) + return -EINVAL; + if (addr & ~HPAGE_MASK) return -EINVAL; if (addr < 0x100000000UL) @@ -1041,7 +1047,7 @@ repeat: return err; } -static void zero_ctor(void *addr, kmem_cache_t *cache, unsigned long flags) +static void zero_ctor(void *addr, struct kmem_cache *cache, unsigned long flags) { memset(addr, 0, kmem_cache_size(cache)); } |