memblock_clear_nomap
memblock_clear_nomap(base, size);
memblock_clear_nomap(kfence_pool, KFENCE_POOL_SIZE);
memblock_clear_nomap(kernel_start, kernel_end - kernel_start);
memblock_clear_nomap(start, size);
memblock_clear_nomap(kfence_pool, KFENCE_POOL_SIZE);
memblock_clear_nomap(kfence_pool, KFENCE_POOL_SIZE);
memblock_clear_nomap(ktext_start, ktext_size);
memblock_clear_nomap(krodata_start, krodata_size);
memblock_clear_nomap(kfence_pool, KFENCE_POOL_SIZE);
memblock_clear_nomap(rmem->base, rmem->size);
int memblock_clear_nomap(phys_addr_t base, phys_addr_t size);