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-rw-r--r--arch/arm64/include/asm/io.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 06119ee511cd..18f6ae6a43f1 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -205,8 +205,5 @@ extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
extern int devmem_is_allowed(unsigned long pfn);
-#define ARCH_BIOVEC_PHYS_MERGEABLE(vec1, vec2) \
- (!xen_domain() || xen_biovec_phys_mergeable(vec1, vec2))
-
#endif /* __KERNEL__ */
#endif /* __ASM_IO_H */