1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 4d1156545194..a72737c05747 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -736,6 +736,8 @@ static int noinline do_test_wp_bit(void)
 }
 
 #ifdef CONFIG_DEBUG_RODATA
+const int rodata_test_data = 0xC3;
+EXPORT_SYMBOL_GPL(rodata_test_data);
 
 void mark_rodata_ro(void)
 {
@@ -765,6 +767,7 @@ void mark_rodata_ro(void)
         set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
         printk("Write protecting the kernel read-only data: %luk\n",
                size >> 10);
+        rodata_test();
 
 #ifdef CONFIG_CPA_DEBUG
         printk("Testing CPA: undo %lx-%lx\n", start, start + size);