x86: avoid unused variable warning in mm/init_64.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 5fe880f..620d2b6 100644 (file)
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -532,9 +532,9 @@ void __init mem_init(void)
 
 void free_init_pages(char *what, unsigned long begin, unsigned long end)
 {
-       unsigned long addr;
+       unsigned long addr = begin;
 
-       if (begin >= end)
+       if (addr >= end)
                return;
 
        /*
@@ -549,7 +549,7 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
 #else
        printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10);
 
-       for (addr = begin; addr < end; addr += PAGE_SIZE) {
+       for (; addr < end; addr += PAGE_SIZE) {
                ClearPageReserved(virt_to_page(addr));
                init_page_count(virt_to_page(addr));
                memset((void *)(addr & ~(PAGE_SIZE-1)),