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[packages/kernel.git] / 2.6-mremap-lkml.patch
1 ===== mm/mremap.c 1.33 vs edited =====
2 --- 1.33/mm/mremap.c    Sat Aug 23 23:50:10 2003
3 +++ edited/mm/mremap.c  Mon Jan  5 08:34:21 2004
4 @@ -315,6 +315,10 @@
5         old_len = PAGE_ALIGN(old_len);
6         new_len = PAGE_ALIGN(new_len);
7  
8 +       /* Don't allow the degenerate cases */
9 +       if (!(old_len | new_len))
10 +               goto out;
11 +
12         /* new_addr is only valid if MREMAP_FIXED is specified */
13         if (flags & MREMAP_FIXED) {
14                 if (new_addr & ~PAGE_MASK)
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