12 files changed, 30 insertions, 12 deletions
diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild
index a9f8a814a1f7..4a8e80cdcfa5 100644
--- a/arch/x86/include/asm/Kbuild
+++ b/arch/x86/include/asm/Kbuild
@@ -22,4 +22,3 @@ unifdef-y += unistd_32.h
 unifdef-y += unistd_64.h
 unifdef-y += vm86.h
 unifdef-y += vsyscall.h
-unifdef-y += swab.h
diff --git a/arch/x86/include/asm/byteorder.h b/arch/x86/include/asm/byteorder.h
index 7c49917e3d9d..b13a7a88f3eb 100644
--- a/arch/x86/include/asm/byteorder.h
+++ b/arch/x86/include/asm/byteorder.h
@@ -1,7 +1,6 @@
 #ifndef _ASM_X86_BYTEORDER_H
 #define _ASM_X86_BYTEORDER_H
 
-#include <asm/swab.h>
 #include <linux/byteorder/little_endian.h>
 
 #endif /* _ASM_X86_BYTEORDER_H */
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 4035357f5b9d..132a134d12f2 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -2,8 +2,8 @@
 #define _ASM_X86_DMA_MAPPING_H
 
 /*
- * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
- * documentation.
+ * IOMMU interface. See Documentation/PCI/PCI-DMA-mapping.txt and
+ * Documentation/DMA-API.txt for documentation.
  */
 
 #include <linux/scatterlist.h>
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index 3d8ceddbd407..00d41ce4c844 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -49,6 +49,7 @@
 #define E820_RESERVED_KERN        128
 
 #ifndef __ASSEMBLY__
+#include <linux/types.h>
 struct e820entry {
 	__u64 addr;	/* start of memory segment */
 	__u64 size;	/* size of memory segment */
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index b95162af0bf6..d2e3bf3608af 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -6,7 +6,7 @@
  *
  */
 
-#include <asm/types.h>
+#include <linux/types.h>
 #include <linux/ioctl.h>
 
 /* Architectural interrupt line count. */
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 1d6e17c2f23a..32c6e17b960b 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -3,8 +3,8 @@
 
 #ifdef __x86_64__
 
+#include <linux/types.h>
 #include <asm/ioctls.h>
-#include <asm/types.h>
 
 /*
  * Machine Check support for x86
@@ -115,8 +115,6 @@ extern int mce_notify_user(void);
 
 #endif /* !CONFIG_X86_32 */
 
-
-
 #ifdef CONFIG_X86_MCE
 extern void mcheck_init(struct cpuinfo_x86 *c);
 #else
@@ -126,5 +124,4 @@ extern void stop_mce(void);
 extern void restart_mce(void);
 
 #endif /* __KERNEL__ */
-
 #endif /* _ASM_X86_MCE_H */
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index 14080d22edb3..a51ada8467de 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -23,6 +23,7 @@
 #ifndef _ASM_X86_MTRR_H
 #define _ASM_X86_MTRR_H
 
+#include <linux/types.h>
 #include <linux/ioctl.h>
 #include <linux/errno.h>
 
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 83e69f4a37f0..06bbcbd66e9c 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -341,6 +341,25 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
 
 #define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)
 
+static inline int is_new_memtype_allowed(unsigned long flags,
+						unsigned long new_flags)
+{
+	/*
+	 * Certain new memtypes are not allowed with certain
+	 * requested memtype:
+	 * - request is uncached, return cannot be write-back
+	 * - request is write-combine, return cannot be write-back
+	 */
+	if ((flags == _PAGE_CACHE_UC_MINUS &&
+	     new_flags == _PAGE_CACHE_WB) ||
+	    (flags == _PAGE_CACHE_WC &&
+	     new_flags == _PAGE_CACHE_WB)) {
+		return 0;
+	}
+
+	return 1;
+}
+
 #ifndef __ASSEMBLY__
 /* Indicate that x86 has its own track and untrack pfn vma functions */
 #define __HAVE_PFNMAP_TRACKING
diff --git a/arch/x86/include/asm/ptrace-abi.h b/arch/x86/include/asm/ptrace-abi.h
index 25f1bb8fc626..8e0f8d199e05 100644
--- a/arch/x86/include/asm/ptrace-abi.h
+++ b/arch/x86/include/asm/ptrace-abi.h
@@ -83,7 +83,7 @@
 #ifdef CONFIG_X86_PTRACE_BTS
 
 #ifndef __ASSEMBLY__
-#include <asm/types.h>
+#include <linux/types.h>
 
 /* configuration/status structure used in PTRACE_BTS_CONFIG and
    PTRACE_BTS_STATUS commands.
diff --git a/arch/x86/include/asm/sigcontext.h b/arch/x86/include/asm/sigcontext.h
index 0afcb5e58acc..ec666491aaa4 100644
--- a/arch/x86/include/asm/sigcontext.h
+++ b/arch/x86/include/asm/sigcontext.h
@@ -2,7 +2,7 @@
 #define _ASM_X86_SIGCONTEXT_H
 
 #include <linux/compiler.h>
-#include <asm/types.h>
+#include <linux/types.h>
 
 #define FP_XSTATE_MAGIC1	0x46505853U
 #define FP_XSTATE_MAGIC2	0x46505845U
diff --git a/arch/x86/include/asm/sigcontext32.h b/arch/x86/include/asm/sigcontext32.h
index 6126188cf3a9..ad1478c4ae12 100644
--- a/arch/x86/include/asm/sigcontext32.h
+++ b/arch/x86/include/asm/sigcontext32.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_X86_SIGCONTEXT32_H
 #define _ASM_X86_SIGCONTEXT32_H
 
+#include <linux/types.h>
+
 /* signal context for 32bit programs. */
 
 #define X86_FXSR_MAGIC		0x0000
diff --git a/arch/x86/include/asm/swab.h b/arch/x86/include/asm/swab.h
index 306d4178ffc9..557cd9f00661 100644
--- a/arch/x86/include/asm/swab.h
+++ b/arch/x86/include/asm/swab.h
@@ -1,7 +1,7 @@
 #ifndef _ASM_X86_SWAB_H
 #define _ASM_X86_SWAB_H
 
-#include <asm/types.h>
+#include <linux/types.h>
 #include <linux/compiler.h>
 
 static inline __attribute_const__ __u32 __arch_swab32(__u32 val)