--- zzzz-none-000/linux-3.10.107/arch/mips/include/asm/addrspace.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/arch/mips/include/asm/addrspace.h	2021-11-10 11:53:53.000000000 +0000
@@ -94,6 +94,7 @@
  * Memory segments (32bit kernel mode addresses)
  * These are the traditional names used in the 32-bit universe.
  */
+#ifndef KSEG
 #define KUSEG			0x00000000
 #define KSEG0			0x80000000
 #define KSEG1			0xa0000000
@@ -105,6 +106,7 @@
 #define CKSEG1			0xa0000000
 #define CKSEG2			0xc0000000
 #define CKSEG3			0xe0000000
+#endif
 
 #endif