diff options
| author | Linus Torvalds <torvalds@athlon.transmeta.com> | 2002-02-04 18:11:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@athlon.transmeta.com> | 2002-02-04 18:11:38 -0800 |
| commit | 1a0153507ffae9cf3350e76c12d441788c0191e1 (patch) | |
| tree | d05a502b4fc05202c84c1667019460c08ea088cd /mm/mremap.c | |
| parent | b0683ac8928c4cf40646a6ce3eb6ffe94605acfa (diff) | |
v2.4.3.2 -> v2.4.3.3
- Hui-Fen Hsu: sis900 driver update
- NIIBE Yutaka: Super-H update
- Alan Cox: more resyncs (ARM down, but more to go)
- David Miller: network zerocopy, Sparc sync, qlogic,FC fix, etc.
- David Miller/me: get rid of various drivers hacks to do mmap
alignment behind the back of the VM layer. Create a real
protocol for it.
Diffstat (limited to 'mm/mremap.c')
| -rw-r--r-- | mm/mremap.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index 3a3b40ee4b9c..118e71f5d27b 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -276,8 +276,13 @@ unsigned long do_mremap(unsigned long addr, ret = -ENOMEM; if (flags & MREMAP_MAYMOVE) { if (!(flags & MREMAP_FIXED)) { - new_addr = get_unmapped_area(0, new_len); - if (!new_addr) + unsigned long map_flags = 0; + if (vma->vm_flags & VM_SHARED) + map_flags |= MAP_SHARED; + + new_addr = get_unmapped_area(vma->vm_file, 0, new_len, vma->vm_pgoff, map_flags); + ret = new_addr; + if (new_addr & ~PAGE_MASK) goto out; } ret = move_vma(vma, addr, old_len, new_len, new_addr); |