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-rw-r--r--arch/x86/include/asm/io_64.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/include/asm/io_64.h b/arch/x86/include/asm/io_64.h
index fea325a1122..563c16270ba 100644
--- a/arch/x86/include/asm/io_64.h
+++ b/arch/x86/include/asm/io_64.h
@@ -232,8 +232,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c);
#define flush_write_buffers()
-#define BIO_VMERGE_BOUNDARY iommu_bio_merge
-
/*
* Convert a virtual cached pointer to an uncached pointer
*/