Move it into head file. to prepare use it in other files.
-v2: hpa pointed out that u64 should not be used here.
Actually We could unsigned long here. because for 32bit it will under 4g.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
arch/x86/include/asm/page_types.h | 5 +++++
arch/x86/kernel/setup.c | 9 ---------
2 files changed, 5 insertions(+), 9 deletions(-)
Index: linux-2.6/arch/x86/include/asm/page_types.h
===================================================================
--- linux-2.6.orig/arch/x86/include/asm/page_types.h
+++ linux-2.6/arch/x86/include/asm/page_types.h
@@ -45,6 +45,11 @@ extern int devmem_is_allowed(unsigned lo
extern unsigned long max_low_pfn_mapped;
extern unsigned long max_pfn_mapped;
+static inline unsigned long get_max_mapped(void)
+{
+ return max_pfn_mapped<<PAGE_SHIFT;
+}
+
extern unsigned long init_memory_mapping(unsigned long start,
unsigned long end);
Index: linux-2.6/arch/x86/kernel/setup.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/setup.c
+++ linux-2.6/arch/x86/kernel/setup.c
@@ -680,15 +680,6 @@ static int __init parse_reservelow(char
early_param("reservelow", parse_reservelow);
-static u64 __init get_max_mapped(void)
-{
- u64 end = max_pfn_mapped;
-
- end <<= PAGE_SHIFT;
-
- return end;
-}
-
/*
* Determine if we were loaded by an EFI loader. If so, then we have also been
* passed the efi memmap, systab, etc., so we should use these data structures
--
