init/main.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/init/main.c b/init/main.c
index 91642a4e69be..c1e632582419 100644
--- a/init/main.c
+++ b/init/main.c
@@ -108,6 +108,8 @@
 #include <asm/sections.h>
 #include <asm/cacheflush.h>
 
+#include <asm/word-at-a-time.h>
+
 #define CREATE_TRACE_POINTS
 #include <trace/events/initcall.h>
 
@@ -1488,6 +1490,15 @@ void __weak free_initmem(void)
 	free_initmem_default(POISON_FREE_INITMEM);
 }
 
+static int test_unaligned(void *unused)
+{
+	void *buf = vmalloc(PAGE_SIZE);
+	memset(buf, 0xfe, PAGE_SIZE);
+	printk("load_unaligned_zeropad = %016lx\n", load_unaligned_zeropad(buf + PAGE_SIZE - 5));
+	kthread_exit(0);
+}
+
+
 static int __ref kernel_init(void *unused)
 {
 	int ret;
@@ -1518,6 +1529,8 @@ static int __ref kernel_init(void *unused)
 	system_state = SYSTEM_RUNNING;
 	numa_default_policy();
 
+kernel_thread(test_unaligned, NULL, CLONE_FS | CLONE_FILES);
+
 	rcu_end_inkernel_boot();
 
 	do_sysctl_args();