Commit 8b2a1238 authored by Al Viro's avatar Al Viro

VM: can't go through the inner loop in unmap_vmas() more than once...

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 038c7aa1
......@@ -1354,7 +1354,7 @@ unsigned long unmap_vmas(struct mmu_gather *tlb,
if (unlikely(is_pfn_mapping(vma)))
untrack_pfn_vma(vma, 0, 0);
while (start != end) {
if (start != end) {
if (unlikely(is_vm_hugetlb_page(vma))) {
/*
* It is undesirable to test vma->vm_file as it
......@@ -1371,8 +1371,8 @@ unsigned long unmap_vmas(struct mmu_gather *tlb,
unmap_hugepage_range(vma, start, end, NULL);
} else
unmap_page_range(tlb, vma, start, end, details);
start = end;
}
start = end;
}
mmu_notifier_invalidate_range_end(mm, start_addr, end_addr);
......
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