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 <[email protected]>
diff -Naur linux-2.6.21/mm/nommu.c linux-2.6.21-uc0/mm/nommu.c
--- linux-2.6.21/mm/nommu.c 2007-05-01 17:09:34.000000000 +1000
+++ linux-2.6.21-uc0/mm/nommu.c 2007-05-01 17:14:27.000000000 +1000
@@ -359,6 +359,11 @@
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