PWN-Hunter/android_kernel_xiaomi_sdm845
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x86: not clear empty_zero_page again

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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>
This commit is contained in:
Yinghai Lu 2008-01-30 13:32:36 +01:00 committed by Ingo Molnar
parent e83a5fdca8
commit 48ddb154cf
1 changed files with 1 additions and 2 deletions
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arch/x86/mm/init_64.c
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@ -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;