Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
mm/mremap.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/mm/mremap.c b/mm/mremap.c
index 84efffb..bbbbbf5 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -495,7 +495,9 @@ unsigned long do_mremap(unsigned long addr,
map_flags |= MAP_SHARED;
new_addr = get_unmapped_area(vma->vm_file, 0, new_len,
- vma->vm_pgoff, map_flags);
+ vma->vm_pgoff +
+ ((addr - vma->vm_start) >> PAGE_SHIFT),
+ map_flags);
if (new_addr & ~PAGE_MASK) {
ret = new_addr;
goto out;
--
1.5.6.5
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