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authorIngo Molnar <mingo@elte.hu>2009-03-04 11:14:47 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-04 11:14:47 +0100
commita1be621dfacbef0fd374d8acd553d71e07bf29ac (patch)
tree32b0355454b43b1098b5e01dd699fd7281abf781 /arch/x86/mm
parent3612fdf780e28b10323dd12d2b0f306c7ada4d4c (diff)
parentfec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff)
downloadop-kernel-dev-a1be621dfacbef0fd374d8acd553d71e07bf29ac.zip
op-kernel-dev-a1be621dfacbef0fd374d8acd553d71e07bf29ac.tar.gz
Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc7' into tracing/core
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/init_64.c2
-rw-r--r--arch/x86/mm/iomap_32.c15
-rw-r--r--arch/x86/mm/pat.c2
3 files changed, 8 insertions, 11 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 63fdc53..ea5ad1e 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -714,6 +714,8 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
pos = start_pfn << PAGE_SHIFT;
end_pfn = ((pos + (PMD_SIZE - 1)) >> PMD_SHIFT)
<< (PMD_SHIFT - PAGE_SHIFT);
+ if (end_pfn > (end >> PAGE_SHIFT))
+ end_pfn = end >> PAGE_SHIFT;
if (start_pfn < end_pfn) {
nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
pos = end_pfn << PAGE_SHIFT;
diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c
index 6c2b1af..04102d4 100644
--- a/arch/x86/mm/iomap_32.c
+++ b/arch/x86/mm/iomap_32.c
@@ -20,23 +20,16 @@
#include <asm/pat.h>
#include <linux/module.h>
-#ifdef CONFIG_X86_PAE
-int
-is_io_mapping_possible(resource_size_t base, unsigned long size)
-{
- return 1;
-}
-#else
-int
-is_io_mapping_possible(resource_size_t base, unsigned long size)
+int is_io_mapping_possible(resource_size_t base, unsigned long size)
{
+#ifndef CONFIG_X86_PAE
/* There is no way to map greater than 1 << 32 address without PAE */
if (base + size > 0x100000000ULL)
return 0;
-
+#endif
return 1;
}
-#endif
+EXPORT_SYMBOL_GPL(is_io_mapping_possible);
/* Map 'pfn' using fixed map 'type' and protections 'prot'
*/
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index aebbf67..e0ab173 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -11,6 +11,7 @@
#include <linux/bootmem.h>
#include <linux/debugfs.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/gfp.h>
#include <linux/mm.h>
#include <linux/fs.h>
@@ -868,6 +869,7 @@ pgprot_t pgprot_writecombine(pgprot_t prot)
else
return pgprot_noncached(prot);
}
+EXPORT_SYMBOL_GPL(pgprot_writecombine);
#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_X86_PAT)
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