summaryrefslogtreecommitdiff
path: root/mm/nommu.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/nommu.c')
-rw-r--r--mm/nommu.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index f476c9ed36b3..37d0b03143f1 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -631,24 +631,20 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
EXPORT_SYMBOL(find_vma);
/*
- * find a VMA
- * - we don't extend stack VMAs under NOMMU conditions
- */
-struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr)
-{
- return find_vma(mm, addr);
-}
-
-/*
* expand a stack to a given address
* - not supported under NOMMU conditions
*/
-int expand_stack_locked(struct vm_area_struct *vma, unsigned long address,
- bool write_locked)
+int expand_stack_locked(struct vm_area_struct *vma, unsigned long addr)
{
return -ENOMEM;
}
+struct vm_area_struct *expand_stack(struct mm_struct *mm, unsigned long addr)
+{
+ mmap_read_unlock(mm);
+ return NULL;
+}
+
/*
* look up the first VMA exactly that exactly matches addr
* - should be called with mm->mmap_lock at least held readlocked