1583 static int __init pcpu_verify_alloc_info(const struct pcpu_alloc_info *ai);
2433 	struct pcpu_alloc_info *ai;  in pcpu_alloc_alloc_info()  local
2438 	base_size = ALIGN(struct_size(ai, groups, nr_groups),  in pcpu_alloc_alloc_info()
2439 			  __alignof__(ai->groups[0].cpu_map[0]));  in pcpu_alloc_alloc_info()
2440 	ai_size = base_size + nr_units * sizeof(ai->groups[0].cpu_map[0]);  in pcpu_alloc_alloc_info()
2445 	ai = ptr;  in pcpu_alloc_alloc_info()
2448 	ai->groups[0].cpu_map = ptr;  in pcpu_alloc_alloc_info()
2451 		ai->groups[0].cpu_map[unit] = NR_CPUS;  in pcpu_alloc_alloc_info()
2453 	ai->nr_groups = nr_groups;  in pcpu_alloc_alloc_info()
2454 	ai->__ai_size = PFN_ALIGN(ai_size);  in pcpu_alloc_alloc_info()
2456 	return ai;  in pcpu_alloc_alloc_info()
2465 void __init pcpu_free_alloc_info(struct pcpu_alloc_info *ai)  in pcpu_free_alloc_info()  argument
2467 	memblock_free(ai, ai->__ai_size);  in pcpu_free_alloc_info()
2478 				 const struct pcpu_alloc_info *ai)  in pcpu_dump_alloc_info()  argument
2486 	v = ai->nr_groups;  in pcpu_dump_alloc_info()
2495 	upa = ai->alloc_size / ai->unit_size;  in pcpu_dump_alloc_info()
2500 	       lvl, ai->static_size, ai->reserved_size, ai->dyn_size,  in pcpu_dump_alloc_info()
2501 	       ai->unit_size, ai->alloc_size / ai->atom_size, ai->atom_size);  in pcpu_dump_alloc_info()
2503 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_dump_alloc_info()
2504 		const struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_dump_alloc_info()
2581 void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,  in pcpu_setup_first_chunk()  argument
2584 	size_t size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;  in pcpu_setup_first_chunk()
2600 		pcpu_dump_alloc_info(KERN_EMERG, ai);			\  in pcpu_setup_first_chunk()
2606 	PCPU_SETUP_BUG_ON(ai->nr_groups <= 0);  in pcpu_setup_first_chunk()
2608 	PCPU_SETUP_BUG_ON(!ai->static_size);  in pcpu_setup_first_chunk()
2613 	PCPU_SETUP_BUG_ON(ai->unit_size < size_sum);  in pcpu_setup_first_chunk()
2614 	PCPU_SETUP_BUG_ON(offset_in_page(ai->unit_size));  in pcpu_setup_first_chunk()
2615 	PCPU_SETUP_BUG_ON(ai->unit_size < PCPU_MIN_UNIT_SIZE);  in pcpu_setup_first_chunk()
2616 	PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->unit_size, PCPU_BITMAP_BLOCK_SIZE));  in pcpu_setup_first_chunk()
2617 	PCPU_SETUP_BUG_ON(ai->dyn_size < PERCPU_DYNAMIC_EARLY_SIZE);  in pcpu_setup_first_chunk()
2618 	PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->reserved_size, PCPU_MIN_ALLOC_SIZE));  in pcpu_setup_first_chunk()
2621 	PCPU_SETUP_BUG_ON(pcpu_verify_alloc_info(ai) < 0);  in pcpu_setup_first_chunk()
2624 	alloc_size = ai->nr_groups * sizeof(group_offsets[0]);  in pcpu_setup_first_chunk()
2630 	alloc_size = ai->nr_groups * sizeof(group_sizes[0]);  in pcpu_setup_first_chunk()
2654 	for (group = 0, unit = 0; group < ai->nr_groups; group++, unit += i) {  in pcpu_setup_first_chunk()
2655 		const struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_setup_first_chunk()
2658 		group_sizes[group] = gi->nr_units * ai->unit_size;  in pcpu_setup_first_chunk()
2670 			unit_off[cpu] = gi->base_offset + i * ai->unit_size;  in pcpu_setup_first_chunk()
2688 	pcpu_dump_alloc_info(KERN_DEBUG, ai);  in pcpu_setup_first_chunk()
2690 	pcpu_nr_groups = ai->nr_groups;  in pcpu_setup_first_chunk()
2697 	pcpu_unit_pages = ai->unit_size >> PAGE_SHIFT;  in pcpu_setup_first_chunk()
2699 	pcpu_atom_size = ai->atom_size;  in pcpu_setup_first_chunk()
2703 	pcpu_stats_save_ai(ai);  in pcpu_setup_first_chunk()
2733 	static_size = ALIGN(ai->static_size, PCPU_MIN_ALLOC_SIZE);  in pcpu_setup_first_chunk()
2734 	dyn_size = ai->dyn_size - (static_size - ai->static_size);  in pcpu_setup_first_chunk()
2748 	if (ai->reserved_size)  in pcpu_setup_first_chunk()
2750 						ai->reserved_size);  in pcpu_setup_first_chunk()
2751 	tmp_addr = (unsigned long)base_addr + static_size + ai->reserved_size;  in pcpu_setup_first_chunk()
2851 	struct pcpu_alloc_info *ai;  in pcpu_build_alloc_info()  local
2941 	ai = pcpu_alloc_alloc_info(nr_groups, nr_units);  in pcpu_build_alloc_info()
2942 	if (!ai)  in pcpu_build_alloc_info()
2944 	cpu_map = ai->groups[0].cpu_map;  in pcpu_build_alloc_info()
2947 		ai->groups[group].cpu_map = cpu_map;  in pcpu_build_alloc_info()
2951 	ai->static_size = static_size;  in pcpu_build_alloc_info()
2952 	ai->reserved_size = reserved_size;  in pcpu_build_alloc_info()
2953 	ai->dyn_size = dyn_size;  in pcpu_build_alloc_info()
2954 	ai->unit_size = alloc_size / upa;  in pcpu_build_alloc_info()
2955 	ai->atom_size = atom_size;  in pcpu_build_alloc_info()
2956 	ai->alloc_size = alloc_size;  in pcpu_build_alloc_info()
2959 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_build_alloc_info()
2966 		gi->base_offset = unit * ai->unit_size;  in pcpu_build_alloc_info()
2976 	return ai;  in pcpu_build_alloc_info()
3055 	struct pcpu_alloc_info *ai;  in pcpu_embed_first_chunk()  local
3060 	ai = pcpu_build_alloc_info(reserved_size, dyn_size, atom_size,  in pcpu_embed_first_chunk()
3062 	if (IS_ERR(ai))  in pcpu_embed_first_chunk()
3063 		return PTR_ERR(ai);  in pcpu_embed_first_chunk()
3065 	size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;  in pcpu_embed_first_chunk()
3066 	areas_size = PFN_ALIGN(ai->nr_groups * sizeof(void *));  in pcpu_embed_first_chunk()
3076 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3077 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_embed_first_chunk()
3086 		ptr = pcpu_fc_alloc(cpu, gi->nr_units * ai->unit_size, atom_size, cpu_to_nd_fn);  in pcpu_embed_first_chunk()
3100 	max_distance += ai->unit_size * ai->groups[highest_group].nr_units;  in pcpu_embed_first_chunk()
3118 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3119 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_embed_first_chunk()
3122 		for (i = 0; i < gi->nr_units; i++, ptr += ai->unit_size) {  in pcpu_embed_first_chunk()
3125 				pcpu_fc_free(ptr, ai->unit_size);  in pcpu_embed_first_chunk()
3129 			memcpy(ptr, __per_cpu_load, ai->static_size);  in pcpu_embed_first_chunk()
3130 			pcpu_fc_free(ptr + size_sum, ai->unit_size - size_sum);  in pcpu_embed_first_chunk()
3135 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3136 		ai->groups[group].base_offset = areas[group] - base;  in pcpu_embed_first_chunk()
3140 		PFN_DOWN(size_sum), ai->static_size, ai->reserved_size,  in pcpu_embed_first_chunk()
3141 		ai->dyn_size, ai->unit_size);  in pcpu_embed_first_chunk()
3143 	pcpu_setup_first_chunk(ai, base);  in pcpu_embed_first_chunk()
3147 	for (group = 0; group < ai->nr_groups; group++)  in pcpu_embed_first_chunk()
3150 				ai->groups[group].nr_units * ai->unit_size);  in pcpu_embed_first_chunk()
3152 	pcpu_free_alloc_info(ai);  in pcpu_embed_first_chunk()
3240 	struct pcpu_alloc_info *ai;  in pcpu_page_first_chunk()  local
3251 	ai = pcpu_build_alloc_info(reserved_size, 0, PAGE_SIZE, NULL);  in pcpu_page_first_chunk()
3252 	if (IS_ERR(ai))  in pcpu_page_first_chunk()
3253 		return PTR_ERR(ai);  in pcpu_page_first_chunk()
3254 	BUG_ON(ai->nr_groups != 1);  in pcpu_page_first_chunk()
3255 	upa = ai->alloc_size/ai->unit_size;  in pcpu_page_first_chunk()
3257 	if (WARN_ON(ai->groups[0].nr_units != nr_g0_units)) {  in pcpu_page_first_chunk()
3258 		pcpu_free_alloc_info(ai);  in pcpu_page_first_chunk()
3262 	unit_pages = ai->unit_size >> PAGE_SHIFT;  in pcpu_page_first_chunk()
3275 		unsigned int cpu = ai->groups[0].cpu_map[unit];  in pcpu_page_first_chunk()
3293 	vm.size = num_possible_cpus() * ai->unit_size;  in pcpu_page_first_chunk()
3298 			(unsigned long)vm.addr + unit * ai->unit_size;  in pcpu_page_first_chunk()
3309 		flush_cache_vmap_early(unit_addr, unit_addr + ai->unit_size);  in pcpu_page_first_chunk()
3312 		memcpy((void *)unit_addr, __per_cpu_load, ai->static_size);  in pcpu_page_first_chunk()
3317 		unit_pages, psize_str, ai->static_size,  in pcpu_page_first_chunk()
3318 		ai->reserved_size, ai->dyn_size);  in pcpu_page_first_chunk()
3320 	pcpu_setup_first_chunk(ai, vm.addr);  in pcpu_page_first_chunk()
3329 	pcpu_free_alloc_info(ai);  in pcpu_page_first_chunk()
3385 	struct pcpu_alloc_info *ai;  in setup_per_cpu_areas()  local
3388 	ai = pcpu_alloc_alloc_info(1, 1);  in setup_per_cpu_areas()
3390 	if (!ai || !fc)  in setup_per_cpu_areas()
3395 	ai->dyn_size = unit_size;  in setup_per_cpu_areas()
3396 	ai->unit_size = unit_size;  in setup_per_cpu_areas()
3397 	ai->atom_size = unit_size;  in setup_per_cpu_areas()
3398 	ai->alloc_size = unit_size;  in setup_per_cpu_areas()
3399 	ai->groups[0].nr_units = 1;  in setup_per_cpu_areas()
3400 	ai->groups[0].cpu_map[0] = 0;  in setup_per_cpu_areas()
3402 	pcpu_setup_first_chunk(ai, fc);  in setup_per_cpu_areas()
3403 	pcpu_free_alloc_info(ai);  in setup_per_cpu_areas()