RADIX_KERN_MAP_SIZE
#define RADIX_VMALLOC_SIZE RADIX_KERN_MAP_SIZE
#define RADIX_KERN_IO_SIZE RADIX_KERN_MAP_SIZE
#define RADIX_VMEMMAP_SIZE RADIX_KERN_MAP_SIZE
BUILD_BUG_ON(RADIX_KERN_MAP_SIZE != (1UL << MAX_EA_BITS_PER_CONTEXT));