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-rw-r--r--include/asm-x86/pat.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-x86/pat.h b/include/asm-x86/pat.h
new file mode 100644
index 000000000000..8b822b5a1786
--- /dev/null
+++ b/include/asm-x86/pat.h
@@ -0,0 +1,16 @@
+
+#ifndef _ASM_PAT_H
+#define _ASM_PAT_H 1
+
+#include <linux/types.h>
+
+extern int pat_wc_enabled;
+
+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);
+
+#endif
+