Commit 57c8f63e authored Jul 15, 2007 by Greg Ungerer Committed by Linus Torvalds Jul 16, 2007

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>

parent 54a3bdd7

mm/nommu.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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