x86, um: ... and asm-x86 move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

arch/x86/include/asm/pat.h

@@ -0,0 +1,22 @@
+#ifndef ASM_X86__PAT_H
+#define ASM_X86__PAT_H
+
+#include <linux/types.h>
+
+#ifdef CONFIG_X86_PAT
+extern int pat_enabled;
+extern void validate_pat_support(struct cpuinfo_x86 *c);
+#else
+static const int pat_enabled;
+static inline void validate_pat_support(struct cpuinfo_x86 *c) { }
+#endif
+
+extern void pat_init(void);
+
+extern int reserve_memtype(u64 start, u64 end,
+		unsigned long req_type, unsigned long *ret_type);
+extern int free_memtype(u64 start, u64 end);
+
+extern void pat_disable(char *reason);
+
+#endif /* ASM_X86__PAT_H */