KERN_VIRT_SIZE 37 arch/powerpc/include/asm/nohash/64/pgtable.h #define VMALLOC_SIZE (KERN_VIRT_SIZE >> 2) KERN_VIRT_SIZE 49 arch/powerpc/include/asm/nohash/64/pgtable.h #define KERN_IO_START (KERN_VIRT_START + (KERN_VIRT_SIZE >> 1)) KERN_VIRT_SIZE 57 arch/powerpc/include/asm/nohash/64/pgtable.h #define IOREMAP_END (KERN_VIRT_START + KERN_VIRT_SIZE) KERN_VIRT_SIZE 87 arch/riscv/include/asm/pgtable.h #define VMALLOC_SIZE (KERN_VIRT_SIZE >> 1)