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-rw-r--r--mm/memory.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 91f6945..59e5beb 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1343,8 +1343,11 @@ static void unmap_single_vma(struct mmu_gather *tlb,
* Since no pte has actually been setup, it is
* safe to do nothing in this case.
*/
- if (vma->vm_file)
- unmap_hugepage_range(vma, start, end, NULL);
+ if (vma->vm_file) {
+ mutex_lock(&vma->vm_file->f_mapping->i_mmap_mutex);
+ __unmap_hugepage_range(tlb, vma, start, end, NULL);
+ mutex_unlock(&vma->vm_file->f_mapping->i_mmap_mutex);
+ }
} else
unmap_page_range(tlb, vma, start, end, details);
}
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