CONFIG_ARC_KVADDR_SIZE 116 arch/arc/include/asm/processor.h #define VMALLOC_START (PAGE_OFFSET - (CONFIG_ARC_KVADDR_SIZE << 20)) CONFIG_ARC_KVADDR_SIZE 119 arch/arc/include/asm/processor.h #define VMALLOC_SIZE ((CONFIG_ARC_KVADDR_SIZE << 20) - PGDIR_SIZE * 4) CONFIG_ARC_KVADDR_SIZE 829 arch/arc/mm/tlb.c BUILD_BUG_ON(!IS_ALIGNED((CONFIG_ARC_KVADDR_SIZE << 20), PMD_SIZE));