x86: not clear empty_zero_page again

empty_zero_page is in .bss section, and it is cleared in clear_bss by x86_64_start_kernel(). So don't clear that again in mem_init Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
git-mirror · Jan 30, 2008 · 48ddb15 · 48ddb15
1 parent e83a5fd
commit 48ddb15
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
@@ -495,8 +495,7 @@ void __init mem_init(void)
 
 	pci_iommu_alloc();
 
-	/* clear the zero-page */
-	memset(empty_zero_page, 0, PAGE_SIZE);
+	/* clear_bss() already clear the empty_zero_page */
 
 	reservedpages = 0;