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Diffstat (limited to 'include/asm-x86/io_64.h')
-rw-r--r--include/asm-x86/io_64.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h
index 22995c5c5ad..64429e9431a 100644
--- a/include/asm-x86/io_64.h
+++ b/include/asm-x86/io_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_IO_H
-#define _ASM_IO_H
+#ifndef ASM_X86__IO_64_H
+#define ASM_X86__IO_64_H
/*
@@ -235,7 +235,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c);
#define flush_write_buffers()
-extern int iommu_bio_merge;
#define BIO_VMERGE_BOUNDARY iommu_bio_merge
/*
@@ -245,4 +244,4 @@ extern int iommu_bio_merge;
#endif /* __KERNEL__ */
-#endif
+#endif /* ASM_X86__IO_64_H */