patch-2.4.0-test9 linux/mm/mremap.c

• Lines: 11
• Date: Thu Sep 28 13:54:32 2000
• Orig file: v2.4.0-test8/linux/mm/mremap.c
• Orig date: Mon Jun 19 13:45:51 2000

diff -u --recursive --new-file v2.4.0-test8/linux/mm/mremap.c linux/mm/mremap.c
@@ -225,6 +225,10 @@
 	/* We can't remap across vm area boundaries */
 	if (old_len > vma->vm_end - addr)
 		goto out;
+	if (vma->vm_flags & VM_DONTEXPAND) {
+		if (new_len > old_len)
+			goto out;
+	}
 	if (vma->vm_flags & VM_LOCKED) {
 		unsigned long locked = current->mm->locked_vm << PAGE_SHIFT;
 		locked += new_len - old_len;