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From: Yinghai Lu <yhlu.kernel@gmail.com>
Reply-To: Yinghai Lu <yhlu.kernel@gmail.com>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
       "H. Peter Anvin" <hpa@zytor.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       "Eric W. Biederman" <ebiederm@xmission.com>
Subject: [PATCH] x86: update mptable v7 - fix
Date: Sun, 8 Jun 2008 19:53:26 -0700
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References: <200805041823.57198.yhlu.kernel@gmail.com> <200805251600.26325.yhlu.kernel@gmail.com> <200806011317.38622.yhlu.kernel@gmail.com>
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[PATCH] x86: update mptable v7 - fix

need to call early_reserve_e820 to prelocate mptable for 32bit

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>

Index: linux-2.6/arch/x86/kernel/setup_32.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/setup_32.c
+++ linux-2.6/arch/x86/kernel/setup_32.c
@@ -761,6 +761,8 @@ void __init setup_arch(char **cmdline_p)
 	 */
 	max_pfn = e820_end_of_ram();
 
+	/* pre allocte 4k for mptable mpc */
+	early_reserve_e820_mpc_new();
 	/* update e820 for memory not covered by WB MTRRs */
 	mtrr_bp_init();
 	if (mtrr_trim_uncached_memory(max_pfn)) {