diff --git a/mm/mmap.c b/mm/mmap.c

index bf46096..4bc085c 100644

--- a/mm/mmap.c

+++ b/mm/mmap.c

@@ -1684,6 +1684,9 @@ unsigned long mmap_region(struct file *file, unsigned long addr,

 	struct rb_node **rb_link, *rb_parent;

 	unsigned long charged = 0;

+	if (!jiffies)

+		printk("kpatch mmap foo\n");

+

 	/* Check against address space limit. */

 	if (!may_expand_vm(mm, vm_flags, len >> PAGE_SHIFT)) {

 		unsigned long nr_pages;