RADIX_VMALLOC_START
#define RADIX_VMALLOC_END (RADIX_VMALLOC_START + RADIX_VMALLOC_SIZE)
if (end >= RADIX_VMALLOC_START) {
__vmalloc_start = RADIX_VMALLOC_START;
if (end >= RADIX_VMALLOC_START) {