diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb.c | 23 | ||||
| -rw-r--r-- | mm/page_vma_mapped.c | 3 | ||||
| -rw-r--r-- | mm/pagewalk.c | 3 |
3 files changed, 18 insertions, 11 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index c73828e43100..075345532396 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3246,7 +3246,7 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src, for (addr = vma->vm_start; addr < vma->vm_end; addr += sz) { spinlock_t *src_ptl, *dst_ptl; - src_pte = huge_pte_offset(src, addr); + src_pte = huge_pte_offset(src, addr, sz); if (!src_pte) continue; dst_pte = huge_pte_alloc(dst, addr, sz); @@ -3330,7 +3330,7 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end); address = start; for (; address < end; address += sz) { - ptep = huge_pte_offset(mm, address); + ptep = huge_pte_offset(mm, address, sz); if (!ptep) continue; @@ -3548,7 +3548,8 @@ retry_avoidcopy: unmap_ref_private(mm, vma, old_page, address); BUG_ON(huge_pte_none(pte)); spin_lock(ptl); - ptep = huge_pte_offset(mm, address & huge_page_mask(h)); + ptep = huge_pte_offset(mm, address & huge_page_mask(h), + huge_page_size(h)); if (likely(ptep && pte_same(huge_ptep_get(ptep), pte))) goto retry_avoidcopy; @@ -3587,7 +3588,8 @@ retry_avoidcopy: * before the page tables are altered */ spin_lock(ptl); - ptep = huge_pte_offset(mm, address & huge_page_mask(h)); + ptep = huge_pte_offset(mm, address & huge_page_mask(h), + huge_page_size(h)); if (likely(ptep && pte_same(huge_ptep_get(ptep), pte))) { ClearPagePrivate(new_page); @@ -3874,7 +3876,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, address &= huge_page_mask(h); - ptep = huge_pte_offset(mm, address); + ptep = huge_pte_offset(mm, address, huge_page_size(h)); if (ptep) { entry = huge_ptep_get(ptep); if (unlikely(is_hugetlb_entry_migration(entry))) { @@ -4131,7 +4133,8 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, * * Note that page table lock is not held when pte is null. */ - pte = huge_pte_offset(mm, vaddr & huge_page_mask(h)); + pte = huge_pte_offset(mm, vaddr & huge_page_mask(h), + huge_page_size(h)); if (pte) ptl = huge_pte_lock(h, mm, pte); absent = !pte || huge_pte_none(huge_ptep_get(pte)); @@ -4270,7 +4273,7 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma, i_mmap_lock_write(vma->vm_file->f_mapping); for (; address < end; address += huge_page_size(h)) { spinlock_t *ptl; - ptep = huge_pte_offset(mm, address); + ptep = huge_pte_offset(mm, address, huge_page_size(h)); if (!ptep) continue; ptl = huge_pte_lock(h, mm, ptep); @@ -4534,7 +4537,8 @@ pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) saddr = page_table_shareable(svma, vma, addr, idx); if (saddr) { - spte = huge_pte_offset(svma->vm_mm, saddr); + spte = huge_pte_offset(svma->vm_mm, saddr, + vma_mmu_pagesize(svma)); if (spte) { get_page(virt_to_page(spte)); break; @@ -4630,7 +4634,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, return pte; } -pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr) +pte_t *huge_pte_offset(struct mm_struct *mm, + unsigned long addr, unsigned long sz) { pgd_t *pgd; p4d_t *p4d; diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c index de9c40d7304a..8ec6ba230bb9 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -116,7 +116,8 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw) if (unlikely(PageHuge(pvmw->page))) { /* when pud is not present, pte will be NULL */ - pvmw->pte = huge_pte_offset(mm, pvmw->address); + pvmw->pte = huge_pte_offset(mm, pvmw->address, + PAGE_SIZE << compound_order(page)); if (!pvmw->pte) return false; diff --git a/mm/pagewalk.c b/mm/pagewalk.c index 60f7856e508f..1a4197965415 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -180,12 +180,13 @@ static int walk_hugetlb_range(unsigned long addr, unsigned long end, struct hstate *h = hstate_vma(vma); unsigned long next; unsigned long hmask = huge_page_mask(h); + unsigned long sz = huge_page_size(h); pte_t *pte; int err = 0; do { next = hugetlb_entry_end(h, addr, end); - pte = huge_pte_offset(walk->mm, addr & hmask); + pte = huge_pte_offset(walk->mm, addr & hmask, sz); if (pte && walk->hugetlb_entry) err = walk->hugetlb_entry(pte, hmask, addr, next, walk); if (err) |