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x86: Change get_max_mapped() to inline

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Move it into head file. to prepare use it in other files.

[ hpa: added missing <linux/types.h> and changed type to phys_addr_t. ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <4D1933BA.8000508@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Yinghai Lu 2010-12-27 16:47:54 -08:00 committed by H. Peter Anvin
parent 1a4a678b12
commit 45635ab5e4
2 changed files with 6 additions and 9 deletions
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6
arch/x86/include/asm/page_types.h
View File

@ -2,6 +2,7 @@
#define _ASM_X86_PAGE_DEFS_H
#include <linux/const.h>
#include <linux/types.h>
/* PAGE_SHIFT determines the page size */
#define PAGE_SHIFT 12
@ -45,6 +46,11 @@ extern int devmem_is_allowed(unsigned long pagenr);
extern unsigned long max_low_pfn_mapped;
extern unsigned long max_pfn_mapped;
static inline phys_addr_t get_max_mapped(void)
{
return (phys_addr_t)max_pfn_mapped << PAGE_SHIFT;
}
extern unsigned long init_memory_mapping(unsigned long start,
unsigned long end);

9
arch/x86/kernel/setup.c
View File

@ -669,15 +669,6 @@ static int __init parse_reservelow(char *p)
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