--- zzzz-none-000/linux-4.4.60/arch/arm/include/asm/memory.h	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/arch/arm/include/asm/memory.h	2021-02-04 17:41:59.000000000 +0000
@@ -37,7 +37,11 @@
  * TASK_SIZE - the maximum size of a user space task.
  * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area
  */
+#ifndef CONFIG_KASAN
 #define TASK_SIZE		(UL(CONFIG_PAGE_OFFSET) - UL(SZ_16M))
+#else
+#define TASK_SIZE		(UL(CONFIG_PAGE_OFFSET) - UL(SZ_16M) - UL(SZ_512M))
+#endif
 #define TASK_UNMAPPED_BASE	ALIGN(TASK_SIZE / 3, SZ_16M)
 
 /*