diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/gup.c | 2 | ||||
| -rw-r--r-- | mm/huge_memory.c | 32 | ||||
| -rw-r--r-- | mm/memory.c | 2 | ||||
| -rw-r--r-- | mm/mempolicy.c | 2 | ||||
| -rw-r--r-- | mm/mprotect.c | 2 | ||||
| -rw-r--r-- | mm/mremap.c | 2 | ||||
| -rw-r--r-- | mm/pagewalk.c | 2 |
7 files changed, 17 insertions, 27 deletions
@@ -254,7 +254,7 @@ struct page *follow_page_mask(struct vm_area_struct *vma, if (is_huge_zero_page(page)) { spin_unlock(ptl); ret = 0; - split_huge_page_pmd(vma, address, pmd); + split_huge_pmd(vma, pmd, address); } else { get_page(page); spin_unlock(ptl); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index f4da89c..0d70ec0 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1233,13 +1233,13 @@ alloc: if (unlikely(!new_page)) { if (!page) { - split_huge_page_pmd(vma, address, pmd); + split_huge_pmd(vma, pmd, address); ret |= VM_FAULT_FALLBACK; } else { ret = do_huge_pmd_wp_page_fallback(mm, vma, address, pmd, orig_pmd, page, haddr); if (ret & VM_FAULT_OOM) { - split_huge_page(page); + split_huge_pmd(vma, pmd, address); ret |= VM_FAULT_FALLBACK; } put_user_huge_page(page); @@ -1252,10 +1252,10 @@ alloc: true))) { put_page(new_page); if (page) { - split_huge_page(page); + split_huge_pmd(vma, pmd, address); put_user_huge_page(page); } else - split_huge_page_pmd(vma, address, pmd); + split_huge_pmd(vma, pmd, address); ret |= VM_FAULT_FALLBACK; count_vm_event(THP_FAULT_FALLBACK); goto out; @@ -3131,17 +3131,7 @@ again: goto again; } -void split_huge_page_pmd_mm(struct mm_struct *mm, unsigned long address, - pmd_t *pmd) -{ - struct vm_area_struct *vma; - - vma = find_vma(mm, address); - BUG_ON(vma == NULL); - split_huge_page_pmd(vma, address, pmd); -} - -static void split_huge_page_address(struct mm_struct *mm, +static void split_huge_pmd_address(struct vm_area_struct *vma, unsigned long address) { pgd_t *pgd; @@ -3150,7 +3140,7 @@ static void split_huge_page_address(struct mm_struct *mm, VM_BUG_ON(!(address & ~HPAGE_PMD_MASK)); - pgd = pgd_offset(mm, address); + pgd = pgd_offset(vma->vm_mm, address); if (!pgd_present(*pgd)) return; @@ -3159,13 +3149,13 @@ static void split_huge_page_address(struct mm_struct *mm, return; pmd = pmd_offset(pud, address); - if (!pmd_present(*pmd)) + if (!pmd_present(*pmd) || !pmd_trans_huge(*pmd)) return; /* * Caller holds the mmap_sem write mode, so a huge pmd cannot * materialize from under us. */ - split_huge_page_pmd_mm(mm, address, pmd); + __split_huge_page_pmd(vma, address, pmd); } void vma_adjust_trans_huge(struct vm_area_struct *vma, @@ -3181,7 +3171,7 @@ void vma_adjust_trans_huge(struct vm_area_struct *vma, if (start & ~HPAGE_PMD_MASK && (start & HPAGE_PMD_MASK) >= vma->vm_start && (start & HPAGE_PMD_MASK) + HPAGE_PMD_SIZE <= vma->vm_end) - split_huge_page_address(vma->vm_mm, start); + split_huge_pmd_address(vma, start); /* * If the new end address isn't hpage aligned and it could @@ -3191,7 +3181,7 @@ void vma_adjust_trans_huge(struct vm_area_struct *vma, if (end & ~HPAGE_PMD_MASK && (end & HPAGE_PMD_MASK) >= vma->vm_start && (end & HPAGE_PMD_MASK) + HPAGE_PMD_SIZE <= vma->vm_end) - split_huge_page_address(vma->vm_mm, end); + split_huge_pmd_address(vma, end); /* * If we're also updating the vma->vm_next->vm_start, if the new @@ -3205,6 +3195,6 @@ void vma_adjust_trans_huge(struct vm_area_struct *vma, if (nstart & ~HPAGE_PMD_MASK && (nstart & HPAGE_PMD_MASK) >= next->vm_start && (nstart & HPAGE_PMD_MASK) + HPAGE_PMD_SIZE <= next->vm_end) - split_huge_page_address(next->vm_mm, nstart); + split_huge_pmd_address(next, nstart); } } diff --git a/mm/memory.c b/mm/memory.c index eecdd05..561b7ad 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1193,7 +1193,7 @@ static inline unsigned long zap_pmd_range(struct mmu_gather *tlb, BUG(); } #endif - split_huge_page_pmd(vma, addr, pmd); + split_huge_pmd(vma, pmd, addr); } else if (zap_huge_pmd(tlb, vma, pmd, addr)) goto next; /* fall through */ diff --git a/mm/mempolicy.c b/mm/mempolicy.c index d8caff0..5f7f9dac 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -493,7 +493,7 @@ static int queue_pages_pte_range(pmd_t *pmd, unsigned long addr, pte_t *pte; spinlock_t *ptl; - split_huge_page_pmd(vma, addr, pmd); + split_huge_pmd(vma, pmd, addr); if (pmd_trans_unstable(pmd)) return 0; diff --git a/mm/mprotect.c b/mm/mprotect.c index c764402..6047707 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -160,7 +160,7 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, if (pmd_trans_huge(*pmd)) { if (next - addr != HPAGE_PMD_SIZE) - split_huge_page_pmd(vma, addr, pmd); + split_huge_pmd(vma, pmd, addr); else { int nr_ptes = change_huge_pmd(vma, pmd, addr, newprot, prot_numa); diff --git a/mm/mremap.c b/mm/mremap.c index e55b157..5969b50 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -209,7 +209,7 @@ unsigned long move_page_tables(struct vm_area_struct *vma, need_flush = true; continue; } else if (!err) { - split_huge_page_pmd(vma, old_addr, old_pmd); + split_huge_pmd(vma, old_pmd, old_addr); } VM_BUG_ON(pmd_trans_huge(*old_pmd)); } diff --git a/mm/pagewalk.c b/mm/pagewalk.c index 29f2f8b..2072444 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -58,7 +58,7 @@ again: if (!walk->pte_entry) continue; - split_huge_page_pmd_mm(walk->mm, addr, pmd); + split_huge_pmd(walk->vma, pmd, addr); if (pmd_trans_unstable(pmd)) goto again; err = walk_pte_range(pmd, addr, next, walk); |