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-rw-r--r--arch/x86/include/asm/pat.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pat.h b/arch/x86/include/asm/pat.h
index 8a3ee355b422..92015c65fa2a 100644
--- a/arch/x86/include/asm/pat.h
+++ b/arch/x86/include/asm/pat.h
@@ -22,4 +22,6 @@ int io_reserve_memtype(resource_size_t start, resource_size_t end,
void io_free_memtype(resource_size_t start, resource_size_t end);
+bool pat_pfn_immune_to_uc_mtrr(unsigned long pfn);
+
#endif /* _ASM_X86_PAT_H */