Also change it to static.
Signed-off-by: Yinghai Lu <ying...@kernel.org>
---
arch/x86/include/asm/page_types.h | 1 -
arch/x86/kernel/setup.c | 1 -
arch/x86/mm/init.c | 2 ++
3 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/page_types.h
b/arch/x86/include/asm/page_types.h
index 9f6f3e6..54c9787 100644
--- a/arch/x86/include/asm/page_types.h
+++ b/arch/x86/include/asm/page_types.h
@@ -45,7 +45,6 @@ extern int devmem_is_allowed(unsigned long pagenr);
extern unsigned long max_low_pfn_mapped;
extern unsigned long max_pfn_mapped;
-extern unsigned long min_pfn_mapped;
static inline phys_addr_t get_max_mapped(void)
{
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index f7634092..2015194 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -124,7 +124,6 @@
*/
unsigned long max_low_pfn_mapped;
unsigned long max_pfn_mapped;
-unsigned long min_pfn_mapped;
#ifdef CONFIG_DMI
RESERVE_BRK(dmi_alloc, 65536);
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 8481892..6392bf9 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -23,6 +23,8 @@ unsigned long __initdata pgt_buf_start;
unsigned long __meminitdata pgt_buf_end;
unsigned long __meminitdata pgt_buf_top;
+static unsigned long min_pfn_mapped;
+
__ref void *alloc_low_page(void)
{
unsigned long pfn;
--
1.7.7
--
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