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authorIngo Molnar <mingo@elte.hu>2009-03-01 06:47:58 -0500
committerIngo Molnar <mingo@elte.hu>2009-03-01 06:47:58 -0500
commit55f2b78995826d549401bdf20abeac1832636bb6 (patch)
tree931b31f3b6e0879df0f9a1d58ffd040d9a652f2e /arch/x86/mm
parentf5c1aa1537be39d8b9bb5279b5881d81898fd3cd (diff)
parent92b9af9e4f144535c65aee673cfad309f25fa465 (diff)
Merge branch 'x86/urgent' into x86/pat
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/iomap_32.c15
-rw-r--r--arch/x86/mm/pat.c2
2 files changed, 6 insertions, 11 deletions
diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c
index 6c2b1af16926..04102d42ff42 100644
--- a/arch/x86/mm/iomap_32.c
+++ b/arch/x86/mm/iomap_32.c
@@ -20,23 +20,16 @@
20#include <asm/pat.h> 20#include <asm/pat.h>
21#include <linux/module.h> 21#include <linux/module.h>
22 22
23#ifdef CONFIG_X86_PAE 23int is_io_mapping_possible(resource_size_t base, unsigned long size)
24int
25is_io_mapping_possible(resource_size_t base, unsigned long size)
26{
27 return 1;
28}
29#else
30int
31is_io_mapping_possible(resource_size_t base, unsigned long size)
32{ 24{
25#ifndef CONFIG_X86_PAE
33 /* There is no way to map greater than 1 << 32 address without PAE */ 26 /* There is no way to map greater than 1 << 32 address without PAE */
34 if (base + size > 0x100000000ULL) 27 if (base + size > 0x100000000ULL)
35 return 0; 28 return 0;
36 29#endif
37 return 1; 30 return 1;
38} 31}
39#endif 32EXPORT_SYMBOL_GPL(is_io_mapping_possible);
40 33
41/* Map 'pfn' using fixed map 'type' and protections 'prot' 34/* Map 'pfn' using fixed map 'type' and protections 'prot'
42 */ 35 */
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index fdfedb65d45a..2ed37158012d 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -11,6 +11,7 @@
11#include <linux/bootmem.h> 11#include <linux/bootmem.h>
12#include <linux/debugfs.h> 12#include <linux/debugfs.h>
13#include <linux/kernel.h> 13#include <linux/kernel.h>
14#include <linux/module.h>
14#include <linux/gfp.h> 15#include <linux/gfp.h>
15#include <linux/mm.h> 16#include <linux/mm.h>
16#include <linux/fs.h> 17#include <linux/fs.h>
@@ -889,6 +890,7 @@ pgprot_t pgprot_writecombine(pgprot_t prot)
889 else 890 else
890 return pgprot_noncached(prot); 891 return pgprot_noncached(prot);
891} 892}
893EXPORT_SYMBOL_GPL(pgprot_writecombine);
892 894
893#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_X86_PAT) 895#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_X86_PAT)
894 896