1586 static int __init pcpu_verify_alloc_info(const struct pcpu_alloc_info *ai);
2441 	struct pcpu_alloc_info *ai;  in pcpu_alloc_alloc_info()  local
2446 	base_size = ALIGN(struct_size(ai, groups, nr_groups),  in pcpu_alloc_alloc_info()
2447 			  __alignof__(ai->groups[0].cpu_map[0]));  in pcpu_alloc_alloc_info()
2448 	ai_size = base_size + nr_units * sizeof(ai->groups[0].cpu_map[0]);  in pcpu_alloc_alloc_info()
2453 	ai = ptr;  in pcpu_alloc_alloc_info()
2456 	ai->groups[0].cpu_map = ptr;  in pcpu_alloc_alloc_info()
2459 		ai->groups[0].cpu_map[unit] = NR_CPUS;  in pcpu_alloc_alloc_info()
2461 	ai->nr_groups = nr_groups;  in pcpu_alloc_alloc_info()
2462 	ai->__ai_size = PFN_ALIGN(ai_size);  in pcpu_alloc_alloc_info()
2464 	return ai;  in pcpu_alloc_alloc_info()
2473 void __init pcpu_free_alloc_info(struct pcpu_alloc_info *ai)  in pcpu_free_alloc_info()  argument
2475 	memblock_free_early(__pa(ai), ai->__ai_size);  in pcpu_free_alloc_info()
2486 				 const struct pcpu_alloc_info *ai)  in pcpu_dump_alloc_info()  argument
2494 	v = ai->nr_groups;  in pcpu_dump_alloc_info()
2503 	upa = ai->alloc_size / ai->unit_size;  in pcpu_dump_alloc_info()
2508 	       lvl, ai->static_size, ai->reserved_size, ai->dyn_size,  in pcpu_dump_alloc_info()
2509 	       ai->unit_size, ai->alloc_size / ai->atom_size, ai->atom_size);  in pcpu_dump_alloc_info()
2511 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_dump_alloc_info()
2512 		const struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_dump_alloc_info()
2589 void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,  in pcpu_setup_first_chunk()  argument
2592 	size_t size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;  in pcpu_setup_first_chunk()
2610 		pcpu_dump_alloc_info(KERN_EMERG, ai);			\  in pcpu_setup_first_chunk()
2616 	PCPU_SETUP_BUG_ON(ai->nr_groups <= 0);  in pcpu_setup_first_chunk()
2618 	PCPU_SETUP_BUG_ON(!ai->static_size);  in pcpu_setup_first_chunk()
2623 	PCPU_SETUP_BUG_ON(ai->unit_size < size_sum);  in pcpu_setup_first_chunk()
2624 	PCPU_SETUP_BUG_ON(offset_in_page(ai->unit_size));  in pcpu_setup_first_chunk()
2625 	PCPU_SETUP_BUG_ON(ai->unit_size < PCPU_MIN_UNIT_SIZE);  in pcpu_setup_first_chunk()
2626 	PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->unit_size, PCPU_BITMAP_BLOCK_SIZE));  in pcpu_setup_first_chunk()
2627 	PCPU_SETUP_BUG_ON(ai->dyn_size < PERCPU_DYNAMIC_EARLY_SIZE);  in pcpu_setup_first_chunk()
2628 	PCPU_SETUP_BUG_ON(!ai->dyn_size);  in pcpu_setup_first_chunk()
2629 	PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->reserved_size, PCPU_MIN_ALLOC_SIZE));  in pcpu_setup_first_chunk()
2632 	PCPU_SETUP_BUG_ON(pcpu_verify_alloc_info(ai) < 0);  in pcpu_setup_first_chunk()
2635 	alloc_size = ai->nr_groups * sizeof(group_offsets[0]);  in pcpu_setup_first_chunk()
2641 	alloc_size = ai->nr_groups * sizeof(group_sizes[0]);  in pcpu_setup_first_chunk()
2665 	for (group = 0, unit = 0; group < ai->nr_groups; group++, unit += i) {  in pcpu_setup_first_chunk()
2666 		const struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_setup_first_chunk()
2669 		group_sizes[group] = gi->nr_units * ai->unit_size;  in pcpu_setup_first_chunk()
2681 			unit_off[cpu] = gi->base_offset + i * ai->unit_size;  in pcpu_setup_first_chunk()
2699 	pcpu_dump_alloc_info(KERN_DEBUG, ai);  in pcpu_setup_first_chunk()
2701 	pcpu_nr_groups = ai->nr_groups;  in pcpu_setup_first_chunk()
2708 	pcpu_unit_pages = ai->unit_size >> PAGE_SHIFT;  in pcpu_setup_first_chunk()
2710 	pcpu_atom_size = ai->atom_size;  in pcpu_setup_first_chunk()
2714 	pcpu_stats_save_ai(ai);  in pcpu_setup_first_chunk()
2744 	static_size = ALIGN(ai->static_size, PCPU_MIN_ALLOC_SIZE);  in pcpu_setup_first_chunk()
2745 	dyn_size = ai->dyn_size - (static_size - ai->static_size);  in pcpu_setup_first_chunk()
2756 	map_size = ai->reserved_size ?: dyn_size;  in pcpu_setup_first_chunk()
2760 	if (ai->reserved_size) {  in pcpu_setup_first_chunk()
2764 			   ai->reserved_size;  in pcpu_setup_first_chunk()
2868 	struct pcpu_alloc_info *ai;  in pcpu_build_alloc_info()  local
2958 	ai = pcpu_alloc_alloc_info(nr_groups, nr_units);  in pcpu_build_alloc_info()
2959 	if (!ai)  in pcpu_build_alloc_info()
2961 	cpu_map = ai->groups[0].cpu_map;  in pcpu_build_alloc_info()
2964 		ai->groups[group].cpu_map = cpu_map;  in pcpu_build_alloc_info()
2968 	ai->static_size = static_size;  in pcpu_build_alloc_info()
2969 	ai->reserved_size = reserved_size;  in pcpu_build_alloc_info()
2970 	ai->dyn_size = dyn_size;  in pcpu_build_alloc_info()
2971 	ai->unit_size = alloc_size / upa;  in pcpu_build_alloc_info()
2972 	ai->atom_size = atom_size;  in pcpu_build_alloc_info()
2973 	ai->alloc_size = alloc_size;  in pcpu_build_alloc_info()
2976 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_build_alloc_info()
2983 		gi->base_offset = unit * ai->unit_size;  in pcpu_build_alloc_info()
2993 	return ai;  in pcpu_build_alloc_info()
3038 	struct pcpu_alloc_info *ai;  in pcpu_embed_first_chunk()  local
3043 	ai = pcpu_build_alloc_info(reserved_size, dyn_size, atom_size,  in pcpu_embed_first_chunk()
3045 	if (IS_ERR(ai))  in pcpu_embed_first_chunk()
3046 		return PTR_ERR(ai);  in pcpu_embed_first_chunk()
3048 	size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;  in pcpu_embed_first_chunk()
3049 	areas_size = PFN_ALIGN(ai->nr_groups * sizeof(void *));  in pcpu_embed_first_chunk()
3059 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3060 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_embed_first_chunk()
3069 		ptr = alloc_fn(cpu, gi->nr_units * ai->unit_size, atom_size);  in pcpu_embed_first_chunk()
3083 	max_distance += ai->unit_size * ai->groups[highest_group].nr_units;  in pcpu_embed_first_chunk()
3101 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3102 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_embed_first_chunk()
3105 		for (i = 0; i < gi->nr_units; i++, ptr += ai->unit_size) {  in pcpu_embed_first_chunk()
3108 				free_fn(ptr, ai->unit_size);  in pcpu_embed_first_chunk()
3112 			memcpy(ptr, __per_cpu_load, ai->static_size);  in pcpu_embed_first_chunk()
3113 			free_fn(ptr + size_sum, ai->unit_size - size_sum);  in pcpu_embed_first_chunk()
3118 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3119 		ai->groups[group].base_offset = areas[group] - base;  in pcpu_embed_first_chunk()
3123 		PFN_DOWN(size_sum), ai->static_size, ai->reserved_size,  in pcpu_embed_first_chunk()
3124 		ai->dyn_size, ai->unit_size);  in pcpu_embed_first_chunk()
3126 	pcpu_setup_first_chunk(ai, base);  in pcpu_embed_first_chunk()
3130 	for (group = 0; group < ai->nr_groups; group++)  in pcpu_embed_first_chunk()
3133 				ai->groups[group].nr_units * ai->unit_size);  in pcpu_embed_first_chunk()
3135 	pcpu_free_alloc_info(ai);  in pcpu_embed_first_chunk()
3165 	struct pcpu_alloc_info *ai;  in pcpu_page_first_chunk()  local
3176 	ai = pcpu_build_alloc_info(reserved_size, 0, PAGE_SIZE, NULL);  in pcpu_page_first_chunk()
3177 	if (IS_ERR(ai))  in pcpu_page_first_chunk()
3178 		return PTR_ERR(ai);  in pcpu_page_first_chunk()
3179 	BUG_ON(ai->nr_groups != 1);  in pcpu_page_first_chunk()
3180 	upa = ai->alloc_size/ai->unit_size;  in pcpu_page_first_chunk()
3182 	if (WARN_ON(ai->groups[0].nr_units != nr_g0_units)) {  in pcpu_page_first_chunk()
3183 		pcpu_free_alloc_info(ai);  in pcpu_page_first_chunk()
3187 	unit_pages = ai->unit_size >> PAGE_SHIFT;  in pcpu_page_first_chunk()
3200 		unsigned int cpu = ai->groups[0].cpu_map[unit];  in pcpu_page_first_chunk()
3218 	vm.size = num_possible_cpus() * ai->unit_size;  in pcpu_page_first_chunk()
3223 			(unsigned long)vm.addr + unit * ai->unit_size;  in pcpu_page_first_chunk()
3243 		memcpy((void *)unit_addr, __per_cpu_load, ai->static_size);  in pcpu_page_first_chunk()
3248 		unit_pages, psize_str, ai->static_size,  in pcpu_page_first_chunk()
3249 		ai->reserved_size, ai->dyn_size);  in pcpu_page_first_chunk()
3251 	pcpu_setup_first_chunk(ai, vm.addr);  in pcpu_page_first_chunk()
3260 	pcpu_free_alloc_info(ai);  in pcpu_page_first_chunk()
3328 	struct pcpu_alloc_info *ai;  in setup_per_cpu_areas()  local
3331 	ai = pcpu_alloc_alloc_info(1, 1);  in setup_per_cpu_areas()
3333 	if (!ai || !fc)  in setup_per_cpu_areas()
3338 	ai->dyn_size = unit_size;  in setup_per_cpu_areas()
3339 	ai->unit_size = unit_size;  in setup_per_cpu_areas()
3340 	ai->atom_size = unit_size;  in setup_per_cpu_areas()
3341 	ai->alloc_size = unit_size;  in setup_per_cpu_areas()
3342 	ai->groups[0].nr_units = 1;  in setup_per_cpu_areas()
3343 	ai->groups[0].cpu_map[0] = 0;  in setup_per_cpu_areas()
3345 	pcpu_setup_first_chunk(ai, fc);  in setup_per_cpu_areas()
3346 	pcpu_free_alloc_info(ai);  in setup_per_cpu_areas()