diff --git a/[refs] b/[refs]
index afc9aaa19333..69d90797d712 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6c902b656c4a808d9c6f40a387b166455efecd62
+refs/heads/master: 72212675d1c96f5db8ec6fb35701879911193158
diff --git a/trunk/arch/x86/mm/init_64.c b/trunk/arch/x86/mm/init_64.c
index dc67337d9bf0..e2fcbc34c9df 100644
--- a/trunk/arch/x86/mm/init_64.c
+++ b/trunk/arch/x86/mm/init_64.c
@@ -810,6 +810,7 @@ void mark_rodata_ro(void)
 	unsigned long text_end = PAGE_ALIGN((unsigned long) &__stop___ex_table);
 	unsigned long rodata_end = PAGE_ALIGN((unsigned long) &__end_rodata);
 	unsigned long data_start = (unsigned long) &_sdata;
+	unsigned long all_end = PFN_ALIGN(&_end);
 
 	printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n",
 	       (end - start) >> 10);
@@ -818,10 +819,10 @@ void mark_rodata_ro(void)
 	kernel_set_to_readonly = 1;
 
 	/*
-	 * The rodata section (but not the kernel text!) should also be
-	 * not-executable.
+	 * The rodata/data/bss/brk section (but not the kernel text!)
+	 * should also be not-executable.
 	 */
-	set_memory_nx(rodata_start, (end - rodata_start) >> PAGE_SHIFT);
+	set_memory_nx(rodata_start, (all_end - rodata_start) >> PAGE_SHIFT);
 
 	rodata_test();