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Message-Id: <1377239480-32532-4-git-send-email-tangchen@cn.fujitsu.com>
Date: Fri, 23 Aug 2013 14:31:20 +0800
From: Tang Chen <tangchen@...fujitsu.com>
To: mingo@...hat.com, hpa@...or.com, yinghai@...nel.org,
penberg@...nel.org, jacob.shin@....com, tglx@...utronix.de,
lenb@...nel.org, rjw@...k.pl
Cc: linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
x86@...nel.org
Subject: [PATCH 3/3] x86, mm: Move max_pfn_mapped definition to init.c.
min_pfn_mapped is defined in init.c, we can also define max_pfn_mapped here.
Signed-off-by: Tang Chen <tangchen@...fujitsu.com>
---
arch/x86/kernel/setup.c | 8 --------
arch/x86/mm/init.c | 9 +++++++++
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index f13df7b..382e20b 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -111,14 +111,6 @@
#include <asm/alternative.h>
#include <asm/prom.h>
-/*
- * max_pfn_mapped: highest direct mapped pfn
- *
- * The direct mapping only covers E820_RAM regions, so the ranges and gaps are
- * represented by pfn_mapped
- */
-unsigned long max_pfn_mapped;
-
#ifdef CONFIG_DMI
RESERVE_BRK(dmi_alloc, 65536);
#endif
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index a97749f..793204b 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -24,6 +24,15 @@ static unsigned long __initdata pgt_buf_start;
static unsigned long __initdata pgt_buf_end;
static unsigned long __initdata pgt_buf_top;
+/*
+ * max_pfn_mapped: highest direct mapped pfn
+ * min_pfn_mapped: lowest direct mapped pfn
+ *
+ * The direct mapping only covers E820_RAM regions, so the ranges and gaps are
+ * represented by pfn_mapped
+ */
+
+unsigned long max_pfn_mapped;
static unsigned long min_pfn_mapped;
static bool __initdata can_use_brk_pgt = true;
--
1.7.1
--
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