1570 static int __init pcpu_verify_alloc_info(const struct pcpu_alloc_info *ai);
2399 	struct pcpu_alloc_info *ai;  in pcpu_alloc_alloc_info()  local
2404 	base_size = ALIGN(struct_size(ai, groups, nr_groups),  in pcpu_alloc_alloc_info()
2405 			  __alignof__(ai->groups[0].cpu_map[0]));  in pcpu_alloc_alloc_info()
2406 	ai_size = base_size + nr_units * sizeof(ai->groups[0].cpu_map[0]);  in pcpu_alloc_alloc_info()
2411 	ai = ptr;  in pcpu_alloc_alloc_info()
2414 	ai->groups[0].cpu_map = ptr;  in pcpu_alloc_alloc_info()
2417 		ai->groups[0].cpu_map[unit] = NR_CPUS;  in pcpu_alloc_alloc_info()
2419 	ai->nr_groups = nr_groups;  in pcpu_alloc_alloc_info()
2420 	ai->__ai_size = PFN_ALIGN(ai_size);  in pcpu_alloc_alloc_info()
2422 	return ai;  in pcpu_alloc_alloc_info()
2431 void __init pcpu_free_alloc_info(struct pcpu_alloc_info *ai)  in pcpu_free_alloc_info()  argument
2433 	memblock_free(ai, ai->__ai_size);  in pcpu_free_alloc_info()
2444 				 const struct pcpu_alloc_info *ai)  in pcpu_dump_alloc_info()  argument
2452 	v = ai->nr_groups;  in pcpu_dump_alloc_info()
2461 	upa = ai->alloc_size / ai->unit_size;  in pcpu_dump_alloc_info()
2466 	       lvl, ai->static_size, ai->reserved_size, ai->dyn_size,  in pcpu_dump_alloc_info()
2467 	       ai->unit_size, ai->alloc_size / ai->atom_size, ai->atom_size);  in pcpu_dump_alloc_info()
2469 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_dump_alloc_info()
2470 		const struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_dump_alloc_info()
2547 void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,  in pcpu_setup_first_chunk()  argument
2550 	size_t size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;  in pcpu_setup_first_chunk()
2566 		pcpu_dump_alloc_info(KERN_EMERG, ai);			\  in pcpu_setup_first_chunk()
2572 	PCPU_SETUP_BUG_ON(ai->nr_groups <= 0);  in pcpu_setup_first_chunk()
2574 	PCPU_SETUP_BUG_ON(!ai->static_size);  in pcpu_setup_first_chunk()
2579 	PCPU_SETUP_BUG_ON(ai->unit_size < size_sum);  in pcpu_setup_first_chunk()
2580 	PCPU_SETUP_BUG_ON(offset_in_page(ai->unit_size));  in pcpu_setup_first_chunk()
2581 	PCPU_SETUP_BUG_ON(ai->unit_size < PCPU_MIN_UNIT_SIZE);  in pcpu_setup_first_chunk()
2582 	PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->unit_size, PCPU_BITMAP_BLOCK_SIZE));  in pcpu_setup_first_chunk()
2583 	PCPU_SETUP_BUG_ON(ai->dyn_size < PERCPU_DYNAMIC_EARLY_SIZE);  in pcpu_setup_first_chunk()
2584 	PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->reserved_size, PCPU_MIN_ALLOC_SIZE));  in pcpu_setup_first_chunk()
2587 	PCPU_SETUP_BUG_ON(pcpu_verify_alloc_info(ai) < 0);  in pcpu_setup_first_chunk()
2590 	alloc_size = ai->nr_groups * sizeof(group_offsets[0]);  in pcpu_setup_first_chunk()
2593 	alloc_size = ai->nr_groups * sizeof(group_sizes[0]);  in pcpu_setup_first_chunk()
2608 	for (group = 0, unit = 0; group < ai->nr_groups; group++, unit += i) {  in pcpu_setup_first_chunk()
2609 		const struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_setup_first_chunk()
2612 		group_sizes[group] = gi->nr_units * ai->unit_size;  in pcpu_setup_first_chunk()
2624 			unit_off[cpu] = gi->base_offset + i * ai->unit_size;  in pcpu_setup_first_chunk()
2642 	pcpu_dump_alloc_info(KERN_DEBUG, ai);  in pcpu_setup_first_chunk()
2644 	pcpu_nr_groups = ai->nr_groups;  in pcpu_setup_first_chunk()
2651 	pcpu_unit_pages = ai->unit_size >> PAGE_SHIFT;  in pcpu_setup_first_chunk()
2653 	pcpu_atom_size = ai->atom_size;  in pcpu_setup_first_chunk()
2657 	pcpu_stats_save_ai(ai);  in pcpu_setup_first_chunk()
2684 	static_size = ALIGN(ai->static_size, PCPU_MIN_ALLOC_SIZE);  in pcpu_setup_first_chunk()
2685 	dyn_size = ai->dyn_size - (static_size - ai->static_size);  in pcpu_setup_first_chunk()
2699 	if (ai->reserved_size)  in pcpu_setup_first_chunk()
2701 						ai->reserved_size);  in pcpu_setup_first_chunk()
2702 	tmp_addr = (unsigned long)base_addr + static_size + ai->reserved_size;  in pcpu_setup_first_chunk()
2802 	struct pcpu_alloc_info *ai;  in pcpu_build_alloc_info()  local
2892 	ai = pcpu_alloc_alloc_info(nr_groups, nr_units);  in pcpu_build_alloc_info()
2893 	if (!ai)  in pcpu_build_alloc_info()
2895 	cpu_map = ai->groups[0].cpu_map;  in pcpu_build_alloc_info()
2898 		ai->groups[group].cpu_map = cpu_map;  in pcpu_build_alloc_info()
2902 	ai->static_size = static_size;  in pcpu_build_alloc_info()
2903 	ai->reserved_size = reserved_size;  in pcpu_build_alloc_info()
2904 	ai->dyn_size = dyn_size;  in pcpu_build_alloc_info()
2905 	ai->unit_size = alloc_size / upa;  in pcpu_build_alloc_info()
2906 	ai->atom_size = atom_size;  in pcpu_build_alloc_info()
2907 	ai->alloc_size = alloc_size;  in pcpu_build_alloc_info()
2910 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_build_alloc_info()
2917 		gi->base_offset = unit * ai->unit_size;  in pcpu_build_alloc_info()
2927 	return ai;  in pcpu_build_alloc_info()
3006 	struct pcpu_alloc_info *ai;  in pcpu_embed_first_chunk()  local
3011 	ai = pcpu_build_alloc_info(reserved_size, dyn_size, atom_size,  in pcpu_embed_first_chunk()
3013 	if (IS_ERR(ai))  in pcpu_embed_first_chunk()
3014 		return PTR_ERR(ai);  in pcpu_embed_first_chunk()
3016 	size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;  in pcpu_embed_first_chunk()
3017 	areas_size = PFN_ALIGN(ai->nr_groups * sizeof(void *));  in pcpu_embed_first_chunk()
3027 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3028 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_embed_first_chunk()
3037 		ptr = pcpu_fc_alloc(cpu, gi->nr_units * ai->unit_size, atom_size, cpu_to_nd_fn);  in pcpu_embed_first_chunk()
3051 	max_distance += ai->unit_size * ai->groups[highest_group].nr_units;  in pcpu_embed_first_chunk()
3069 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3070 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_embed_first_chunk()
3073 		for (i = 0; i < gi->nr_units; i++, ptr += ai->unit_size) {  in pcpu_embed_first_chunk()
3076 				pcpu_fc_free(ptr, ai->unit_size);  in pcpu_embed_first_chunk()
3080 			memcpy(ptr, __per_cpu_start, ai->static_size);  in pcpu_embed_first_chunk()
3081 			pcpu_fc_free(ptr + size_sum, ai->unit_size - size_sum);  in pcpu_embed_first_chunk()
3086 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3087 		ai->groups[group].base_offset = areas[group] - base;  in pcpu_embed_first_chunk()
3091 		PFN_DOWN(size_sum), ai->static_size, ai->reserved_size,  in pcpu_embed_first_chunk()
3092 		ai->dyn_size, ai->unit_size);  in pcpu_embed_first_chunk()
3094 	pcpu_setup_first_chunk(ai, base);  in pcpu_embed_first_chunk()
3098 	for (group = 0; group < ai->nr_groups; group++)  in pcpu_embed_first_chunk()
3101 				ai->groups[group].nr_units * ai->unit_size);  in pcpu_embed_first_chunk()
3103 	pcpu_free_alloc_info(ai);  in pcpu_embed_first_chunk()
3180 	struct pcpu_alloc_info *ai;  in pcpu_page_first_chunk()  local
3191 	ai = pcpu_build_alloc_info(reserved_size, 0, PAGE_SIZE, NULL);  in pcpu_page_first_chunk()
3192 	if (IS_ERR(ai))  in pcpu_page_first_chunk()
3193 		return PTR_ERR(ai);  in pcpu_page_first_chunk()
3194 	BUG_ON(ai->nr_groups != 1);  in pcpu_page_first_chunk()
3195 	upa = ai->alloc_size/ai->unit_size;  in pcpu_page_first_chunk()
3197 	if (WARN_ON(ai->groups[0].nr_units != nr_g0_units)) {  in pcpu_page_first_chunk()
3198 		pcpu_free_alloc_info(ai);  in pcpu_page_first_chunk()
3202 	unit_pages = ai->unit_size >> PAGE_SHIFT;  in pcpu_page_first_chunk()
3212 		unsigned int cpu = ai->groups[0].cpu_map[unit];  in pcpu_page_first_chunk()
3230 	vm.size = num_possible_cpus() * ai->unit_size;  in pcpu_page_first_chunk()
3235 			(unsigned long)vm.addr + unit * ai->unit_size;  in pcpu_page_first_chunk()
3246 		flush_cache_vmap_early(unit_addr, unit_addr + ai->unit_size);  in pcpu_page_first_chunk()
3249 		memcpy((void *)unit_addr, __per_cpu_start, ai->static_size);  in pcpu_page_first_chunk()
3254 		unit_pages, psize_str, ai->static_size,  in pcpu_page_first_chunk()
3255 		ai->reserved_size, ai->dyn_size);  in pcpu_page_first_chunk()
3257 	pcpu_setup_first_chunk(ai, vm.addr);  in pcpu_page_first_chunk()
3266 	pcpu_free_alloc_info(ai);  in pcpu_page_first_chunk()
3322 	struct pcpu_alloc_info *ai;  in setup_per_cpu_areas()  local
3325 	ai = pcpu_alloc_alloc_info(1, 1);  in setup_per_cpu_areas()
3327 	if (!ai || !fc)  in setup_per_cpu_areas()
3332 	ai->dyn_size = unit_size;  in setup_per_cpu_areas()
3333 	ai->unit_size = unit_size;  in setup_per_cpu_areas()
3334 	ai->atom_size = unit_size;  in setup_per_cpu_areas()
3335 	ai->alloc_size = unit_size;  in setup_per_cpu_areas()
3336 	ai->groups[0].nr_units = 1;  in setup_per_cpu_areas()
3337 	ai->groups[0].cpu_map[0] = 0;  in setup_per_cpu_areas()
3339 	pcpu_setup_first_chunk(ai, fc);  in setup_per_cpu_areas()
3340 	pcpu_free_alloc_info(ai);  in setup_per_cpu_areas()