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-rw-r--r--arch/i386/mm/init.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index dc5d8979cd6..89e8486aac3 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -725,16 +725,15 @@ static int noinline do_test_wp_bit(void)
#ifdef CONFIG_DEBUG_RODATA
-extern char __start_rodata, __end_rodata;
void mark_rodata_ro(void)
{
- unsigned long addr = (unsigned long)&__start_rodata;
+ unsigned long addr = (unsigned long)__start_rodata;
- for (; addr < (unsigned long)&__end_rodata; addr += PAGE_SIZE)
+ for (; addr < (unsigned long)__end_rodata; addr += PAGE_SIZE)
change_page_attr(virt_to_page(addr), 1, PAGE_KERNEL_RO);
- printk ("Write protecting the kernel read-only data: %luk\n",
- (unsigned long)(&__end_rodata - &__start_rodata) >> 10);
+ printk("Write protecting the kernel read-only data: %uk\n",
+ (__end_rodata - __start_rodata) >> 10);
/*
* change_page_attr() requires a global_flush_tlb() call after it.