[tip:x86/mm] x86: Change get_max_mapped() to inline

[tip-bot for Yinghai Lu]

Commit-ID:  45635ab5e41bcde94a82f9a05d660ef77fe38c1b
Gitweb:     http://git.kernel.org/tip/45635ab5e41bcde94a82f9a05d660ef77fe38c1b
Author:     Yinghai Lu <yinghai@xxxxxxxxxx>
AuthorDate: Mon, 27 Dec 2010 16:47:54 -0800
Committer:  H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Wed, 29 Dec 2010 15:47:55 -0800

x86: Change get_max_mapped() to inline

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@xxxxxxxxxx>
LKML-Reference: <4D1933BA.8000508@xxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
---
 arch/x86/include/asm/page_types.h |    6 ++++++
 arch/x86/kernel/setup.c           |    9 ---------
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h
index 1df6621..93626e6 100644
--- a/arch/x86/include/asm/page_types.h
+++ b/arch/x86/include/asm/page_types.h
@@ -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);
 
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index df172c1..3def8c9 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -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
--
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