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Diffstat (limited to 'arch/x86/include/asm/types.h')
-rw-r--r--arch/x86/include/asm/types.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/types.h b/arch/x86/include/asm/types.h
index 880dcb4..a47e581 100644
--- a/arch/x86/include/asm/types.h
+++ b/arch/x86/include/asm/types.h
@@ -44,7 +44,12 @@ typedef __INT64_TYPE__ s64;
typedef __UINT64_TYPE__ u64;
#endif
+#if CONFIG_IS_ENABLED(X86_64)
+#define BITS_PER_LONG 64
+#else
#define BITS_PER_LONG 32
+#endif
+
/* Dma addresses are 32-bits wide. */
typedef u32 dma_addr_t;