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-rw-r--r--mm/rmap.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/mm/rmap.c b/mm/rmap.c
index 28bcdc433d88..4d2fb93851ca 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -329,18 +329,6 @@ vma_address(struct page *page, struct vm_area_struct *vma)
329 /* page should be within @vma mapping range */ 329 /* page should be within @vma mapping range */
330 return -EFAULT; 330 return -EFAULT;
331 } 331 }
332 if (unlikely(vma->vm_flags & VM_LOCK_RMAP)) {
333 /*
334 * This VMA is being unlinked or is not yet linked into the
335 * VMA tree. Do not try to follow this rmap. This race
336 * condition can result in page_referenced() ignoring a
337 * reference or in try_to_unmap() failing to unmap a page.
338 * The VMA cannot be freed under us because we hold the
339 * anon_vma->lock, which the munmap code takes while
340 * unlinking the anon_vmas from the VMA.
341 */
342 return -EFAULT;
343 }
344 return address; 332 return address;
345} 333}
346 334