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| author | Greg Ungerer <gerg@snapgear.com> | 2007-07-15 23:38:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 09:05:37 -0700 |
| commit | 57c8f63e8e7a4a95d7fcc49e3953341fb4039899 (patch) | |
| tree | cf0bd22654e4aff40c5d11775e949aba558922df /mm/nommu.c | |
| parent | 54a3bdd76e82d7f64e5504409c55b51e48c3a10a (diff) | |
| download | lwn-57c8f63e8e7a4a95d7fcc49e3953341fb4039899.tar.gz lwn-57c8f63e8e7a4a95d7fcc49e3953341fb4039899.zip | |
nommu: stub expand_stack() for nommu case
Be consistent with VM mmap, implement expand_stack(). We can't actually do
anything other than return an error in the no MMU case though.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/nommu.c')
| -rw-r--r-- | mm/nommu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index 989e2e9af5c3..8bbbf147a794 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -367,6 +367,11 @@ struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr) return find_vma(mm, addr); } +int expand_stack(struct vm_area_struct *vma, unsigned long address) +{ + return -ENOMEM; +} + /* * look up the first VMA exactly that exactly matches addr * - should be called with mm->mmap_sem at least held readlocked |