mm/mmu_notifier: contextual information for event triggering invalidation

[linux.git] / mm / hugetlb.c

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 98a3c7c224cbef41f7c730c2d4beae0dfb648140..89d206d6ecf39f33c108ad9adec9db983ca90bee 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3294,7 +3294,8 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
        cow = (vma->vm_flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE;
 
        if (cow) {
-               mmu_notifier_range_init(&range, src, vma->vm_start,
+               mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, src,
+                                       vma->vm_start,
                                        vma->vm_end);
                mmu_notifier_invalidate_range_start(&range);
        }
@@ -3406,7 +3407,8 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
        /*
         * If sharing possible, alert mmu notifiers of worst case.
         */
-       mmu_notifier_range_init(&range, mm, start, end);
+       mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, start,
+                               end);
        adjust_range_if_pmd_sharing_possible(vma, &range.start, &range.end);
        mmu_notifier_invalidate_range_start(&range);
        address = start;
@@ -3673,7 +3675,8 @@ retry_avoidcopy:
                            pages_per_huge_page(h));
        __SetPageUptodate(new_page);
 
-       mmu_notifier_range_init(&range, mm, haddr, haddr + huge_page_size(h));
+       mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, haddr,
+                               haddr + huge_page_size(h));
        mmu_notifier_invalidate_range_start(&range);
 
        /*
@@ -4408,7 +4411,8 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
         * start/end.  Set range.start/range.end to cover the maximum possible
         * range if PMD sharing is possible.
         */
-       mmu_notifier_range_init(&range, mm, start, end);
+       mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, start,
+                               end);
        adjust_range_if_pmd_sharing_possible(vma, &range.start, &range.end);
 
        BUG_ON(address >= end);