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-rw-r--r--mm/mremap.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index 909e1e1e99b1..506fa44403df 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -93,7 +93,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
93 * and we propagate stale pages into the dst afterward. 93 * and we propagate stale pages into the dst afterward.
94 */ 94 */
95 mapping = vma->vm_file->f_mapping; 95 mapping = vma->vm_file->f_mapping;
96 spin_lock(&mapping->i_mmap_lock); 96 mutex_lock(&mapping->i_mmap_mutex);
97 } 97 }
98 98
99 /* 99 /*
@@ -122,7 +122,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
122 pte_unmap(new_pte - 1); 122 pte_unmap(new_pte - 1);
123 pte_unmap_unlock(old_pte - 1, old_ptl); 123 pte_unmap_unlock(old_pte - 1, old_ptl);
124 if (mapping) 124 if (mapping)
125 spin_unlock(&mapping->i_mmap_lock); 125 mutex_unlock(&mapping->i_mmap_mutex);
126 mmu_notifier_invalidate_range_end(vma->vm_mm, old_start, old_end); 126 mmu_notifier_invalidate_range_end(vma->vm_mm, old_start, old_end);
127} 127}
128 128