Commit 57c8f63e authored by Greg Ungerer's avatar Greg Ungerer Committed by Linus Torvalds

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: default avatarGreg Ungerer <gerg@uclinux.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 54a3bdd7
...@@ -367,6 +367,11 @@ struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr) ...@@ -367,6 +367,11 @@ struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr)
return find_vma(mm, 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 * look up the first VMA exactly that exactly matches addr
* - should be called with mm->mmap_sem at least held readlocked * - should be called with mm->mmap_sem at least held readlocked
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment