From 1f50249e940baa7133e0bdb32cd564bb3ba28456 Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@suse.de>
Date: Sat, 25 Mar 2006 16:29:58 +0100
Subject: [PATCH] x86_64: Make pfn_valid work early in boot

It needs num_physpages, so initialize it early. It's later overwritten
again.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/x86_64/kernel/setup.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'arch/x86_64/kernel/setup.c')

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 01e2de4d254..ad3b7fc24a0 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -614,6 +614,7 @@ void __init setup_arch(char **cmdline_p)
 	 * we are rounding upwards:
 	 */
 	end_pfn = e820_end_of_ram();
+	num_physpages = end_pfn;		/* for pfn_valid */
 
 	check_efer();
 
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