From 48ddb154cf55fb1e292af49c270b950ef2c6ef32 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 30 Jan 2008 13:32:36 +0100 Subject: [PATCH] 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 Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/mm/init_64.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 15e05a004f..6c3f6eb1f7 100644 --- 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; -- 2.39.5