Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / x86 / include / asm / pat.h

diff --git a/kernel/arch/x86/include/asm/pat.h b/kernel/arch/x86/include/asm/pat.h
new file mode 100644 (file)
index 0000000..91bc4ba
--- /dev/null
+++ b/kernel/arch/x86/include/asm/pat.h
@@ -0,0 +1,28 @@
+#ifndef _ASM_X86_PAT_H
+#define _ASM_X86_PAT_H
+
+#include <linux/types.h>
+#include <asm/pgtable_types.h>
+
+#ifdef CONFIG_X86_PAT
+extern int pat_enabled;
+#else
+static const int pat_enabled;
+#endif
+
+extern void pat_init(void);
+void pat_init_cache_modes(void);
+
+extern int reserve_memtype(u64 start, u64 end,
+               enum page_cache_mode req_pcm, enum page_cache_mode *ret_pcm);
+extern int free_memtype(u64 start, u64 end);
+
+extern int kernel_map_sync_memtype(u64 base, unsigned long size,
+               enum page_cache_mode pcm);
+
+int io_reserve_memtype(resource_size_t start, resource_size_t end,
+                       enum page_cache_mode *pcm);
+
+void io_free_memtype(resource_size_t start, resource_size_t end);
+
+#endif /* _ASM_X86_PAT_H */