linux-kernel - [PATCH] x86_64: remove double-checking empty zero pages debug

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Message-id: <200802201853.17265.yinghai.lu@sun.com>
Date:	Wed, 20 Feb 2008 18:53:17 -0800
From:	Yinghai Lu <Yinghai.Lu@....COM>
To:	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86_64: remove double-checking empty zero pages debug


so far, no one complained that.

Signed-off-by: Yinghai Lu <yinghai.lu@....com>

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index fafeb95..f4a5a2b 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -574,14 +574,6 @@ void __init mem_init(void)
 
 	/* clear_bss() already clear the empty_zero_page */
 
-	/* temporary debugging - double check it's true: */
-	{
-		int i;
-
-		for (i = 0; i < 1024; i++)
-			WARN_ON_ONCE(empty_zero_page[i]);
-	}
-
 	reservedpages = 0;
 
 	/* this will put all low memory onto the freelists */
--
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