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-rw-r--r--include/asm-x86/e820.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h
index 7004251fc66..5103d0b2c46 100644
--- a/include/asm-x86/e820.h
+++ b/include/asm-x86/e820.h
@@ -24,6 +24,7 @@ struct e820map {
#define ISA_START_ADDRESS 0xa0000
#define ISA_END_ADDRESS 0x100000
+#define is_ISA_range(s, e) ((s) >= ISA_START_ADDRESS && (e) < ISA_END_ADDRESS)
#define BIOS_BEGIN 0x000a0000
#define BIOS_END 0x00100000