linux-kernel - [PATCH] x86: move saving e820_saved to setup_memory

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Message-Id: <200807031135.37465.yhlu.kernel@gmail.com>
Date:	Thu, 3 Jul 2008 11:35:37 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Bernhard Walle <bwalle@...e.de>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: move saving e820_saved to setup_memory_map


so other path that will override memory_setup or machine_specific_memory_setup could
have e820_saved too

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

---
 arch/x86/kernel/e820.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Index: linux-2.6/arch/x86/kernel/e820.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/e820.c
+++ linux-2.6/arch/x86/kernel/e820.c
@@ -1294,8 +1294,6 @@ char *__init default_machine_specific_me
 		e820_add_region(HIGH_MEMORY, mem_size << 10, E820_RAM);
 	}
 
-	memcpy(&e820_saved, &e820, sizeof(struct e820map));
-
 	/* In case someone cares... */
 	return who;
 }
@@ -1313,8 +1311,12 @@ char * __init __attribute__((weak)) memo
 
 void __init setup_memory_map(void)
 {
+	char *who;
+
+	who = memory_setup();
+	memcpy(&e820_saved, &e820, sizeof(struct e820map));
 	printk(KERN_INFO "BIOS-provided physical RAM map:\n");
-	e820_print_map(memory_setup());
+	e820_print_map(who);
 }
 
 #ifdef CONFIG_X86_64
--
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