1576 static int __init pcpu_verify_alloc_info(const struct pcpu_alloc_info *ai);
2416 	struct pcpu_alloc_info *ai;  in pcpu_alloc_alloc_info()  local
2421 	base_size = ALIGN(struct_size(ai, groups, nr_groups),  in pcpu_alloc_alloc_info()
2422 			  __alignof__(ai->groups[0].cpu_map[0]));  in pcpu_alloc_alloc_info()
2423 	ai_size = base_size + nr_units * sizeof(ai->groups[0].cpu_map[0]);  in pcpu_alloc_alloc_info()
2428 	ai = ptr;  in pcpu_alloc_alloc_info()
2431 	ai->groups[0].cpu_map = ptr;  in pcpu_alloc_alloc_info()
2434 		ai->groups[0].cpu_map[unit] = NR_CPUS;  in pcpu_alloc_alloc_info()
2436 	ai->nr_groups = nr_groups;  in pcpu_alloc_alloc_info()
2437 	ai->__ai_size = PFN_ALIGN(ai_size);  in pcpu_alloc_alloc_info()
2439 	return ai;  in pcpu_alloc_alloc_info()
2448 void __init pcpu_free_alloc_info(struct pcpu_alloc_info *ai)  in pcpu_free_alloc_info()  argument
2450 	memblock_free(ai, ai->__ai_size);  in pcpu_free_alloc_info()
2461 				 const struct pcpu_alloc_info *ai)  in pcpu_dump_alloc_info()  argument
2469 	v = ai->nr_groups;  in pcpu_dump_alloc_info()
2478 	upa = ai->alloc_size / ai->unit_size;  in pcpu_dump_alloc_info()
2483 	       lvl, ai->static_size, ai->reserved_size, ai->dyn_size,  in pcpu_dump_alloc_info()
2484 	       ai->unit_size, ai->alloc_size / ai->atom_size, ai->atom_size);  in pcpu_dump_alloc_info()
2486 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_dump_alloc_info()
2487 		const struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_dump_alloc_info()
2564 void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,  in pcpu_setup_first_chunk()  argument
2567 	size_t size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;  in pcpu_setup_first_chunk()
2583 		pcpu_dump_alloc_info(KERN_EMERG, ai);			\  in pcpu_setup_first_chunk()
2589 	PCPU_SETUP_BUG_ON(ai->nr_groups <= 0);  in pcpu_setup_first_chunk()
2591 	PCPU_SETUP_BUG_ON(!ai->static_size);  in pcpu_setup_first_chunk()
2596 	PCPU_SETUP_BUG_ON(ai->unit_size < size_sum);  in pcpu_setup_first_chunk()
2597 	PCPU_SETUP_BUG_ON(offset_in_page(ai->unit_size));  in pcpu_setup_first_chunk()
2598 	PCPU_SETUP_BUG_ON(ai->unit_size < PCPU_MIN_UNIT_SIZE);  in pcpu_setup_first_chunk()
2599 	PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->unit_size, PCPU_BITMAP_BLOCK_SIZE));  in pcpu_setup_first_chunk()
2600 	PCPU_SETUP_BUG_ON(ai->dyn_size < PERCPU_DYNAMIC_EARLY_SIZE);  in pcpu_setup_first_chunk()
2601 	PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->reserved_size, PCPU_MIN_ALLOC_SIZE));  in pcpu_setup_first_chunk()
2604 	PCPU_SETUP_BUG_ON(pcpu_verify_alloc_info(ai) < 0);  in pcpu_setup_first_chunk()
2607 	alloc_size = ai->nr_groups * sizeof(group_offsets[0]);  in pcpu_setup_first_chunk()
2610 	alloc_size = ai->nr_groups * sizeof(group_sizes[0]);  in pcpu_setup_first_chunk()
2625 	for (group = 0, unit = 0; group < ai->nr_groups; group++, unit += i) {  in pcpu_setup_first_chunk()
2626 		const struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_setup_first_chunk()
2629 		group_sizes[group] = gi->nr_units * ai->unit_size;  in pcpu_setup_first_chunk()
2641 			unit_off[cpu] = gi->base_offset + i * ai->unit_size;  in pcpu_setup_first_chunk()
2659 	pcpu_dump_alloc_info(KERN_DEBUG, ai);  in pcpu_setup_first_chunk()
2661 	pcpu_nr_groups = ai->nr_groups;  in pcpu_setup_first_chunk()
2668 	pcpu_unit_pages = ai->unit_size >> PAGE_SHIFT;  in pcpu_setup_first_chunk()
2670 	pcpu_atom_size = ai->atom_size;  in pcpu_setup_first_chunk()
2674 	pcpu_stats_save_ai(ai);  in pcpu_setup_first_chunk()
2701 	static_size = ALIGN(ai->static_size, PCPU_MIN_ALLOC_SIZE);  in pcpu_setup_first_chunk()
2702 	dyn_size = ai->dyn_size - (static_size - ai->static_size);  in pcpu_setup_first_chunk()
2716 	if (ai->reserved_size)  in pcpu_setup_first_chunk()
2718 						ai->reserved_size);  in pcpu_setup_first_chunk()
2719 	tmp_addr = (unsigned long)base_addr + static_size + ai->reserved_size;  in pcpu_setup_first_chunk()
2819 	struct pcpu_alloc_info *ai;  in pcpu_build_alloc_info()  local
2909 	ai = pcpu_alloc_alloc_info(nr_groups, nr_units);  in pcpu_build_alloc_info()
2910 	if (!ai)  in pcpu_build_alloc_info()
2912 	cpu_map = ai->groups[0].cpu_map;  in pcpu_build_alloc_info()
2915 		ai->groups[group].cpu_map = cpu_map;  in pcpu_build_alloc_info()
2919 	ai->static_size = static_size;  in pcpu_build_alloc_info()
2920 	ai->reserved_size = reserved_size;  in pcpu_build_alloc_info()
2921 	ai->dyn_size = dyn_size;  in pcpu_build_alloc_info()
2922 	ai->unit_size = alloc_size / upa;  in pcpu_build_alloc_info()
2923 	ai->atom_size = atom_size;  in pcpu_build_alloc_info()
2924 	ai->alloc_size = alloc_size;  in pcpu_build_alloc_info()
2927 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_build_alloc_info()
2934 		gi->base_offset = unit * ai->unit_size;  in pcpu_build_alloc_info()
2944 	return ai;  in pcpu_build_alloc_info()
3023 	struct pcpu_alloc_info *ai;  in pcpu_embed_first_chunk()  local
3028 	ai = pcpu_build_alloc_info(reserved_size, dyn_size, atom_size,  in pcpu_embed_first_chunk()
3030 	if (IS_ERR(ai))  in pcpu_embed_first_chunk()
3031 		return PTR_ERR(ai);  in pcpu_embed_first_chunk()
3033 	size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;  in pcpu_embed_first_chunk()
3034 	areas_size = PFN_ALIGN(ai->nr_groups * sizeof(void *));  in pcpu_embed_first_chunk()
3044 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3045 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_embed_first_chunk()
3054 		ptr = pcpu_fc_alloc(cpu, gi->nr_units * ai->unit_size, atom_size, cpu_to_nd_fn);  in pcpu_embed_first_chunk()
3068 	max_distance += ai->unit_size * ai->groups[highest_group].nr_units;  in pcpu_embed_first_chunk()
3086 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3087 		struct pcpu_group_info *gi = &ai->groups[group];  in pcpu_embed_first_chunk()
3090 		for (i = 0; i < gi->nr_units; i++, ptr += ai->unit_size) {  in pcpu_embed_first_chunk()
3093 				pcpu_fc_free(ptr, ai->unit_size);  in pcpu_embed_first_chunk()
3097 			memcpy(ptr, __per_cpu_start, ai->static_size);  in pcpu_embed_first_chunk()
3098 			pcpu_fc_free(ptr + size_sum, ai->unit_size - size_sum);  in pcpu_embed_first_chunk()
3103 	for (group = 0; group < ai->nr_groups; group++) {  in pcpu_embed_first_chunk()
3104 		ai->groups[group].base_offset = areas[group] - base;  in pcpu_embed_first_chunk()
3108 		PFN_DOWN(size_sum), ai->static_size, ai->reserved_size,  in pcpu_embed_first_chunk()
3109 		ai->dyn_size, ai->unit_size);  in pcpu_embed_first_chunk()
3111 	pcpu_setup_first_chunk(ai, base);  in pcpu_embed_first_chunk()
3115 	for (group = 0; group < ai->nr_groups; group++)  in pcpu_embed_first_chunk()
3118 				ai->groups[group].nr_units * ai->unit_size);  in pcpu_embed_first_chunk()
3120 	pcpu_free_alloc_info(ai);  in pcpu_embed_first_chunk()
3197 	struct pcpu_alloc_info *ai;  in pcpu_page_first_chunk()  local
3208 	ai = pcpu_build_alloc_info(reserved_size, 0, PAGE_SIZE, NULL);  in pcpu_page_first_chunk()
3209 	if (IS_ERR(ai))  in pcpu_page_first_chunk()
3210 		return PTR_ERR(ai);  in pcpu_page_first_chunk()
3211 	BUG_ON(ai->nr_groups != 1);  in pcpu_page_first_chunk()
3212 	upa = ai->alloc_size/ai->unit_size;  in pcpu_page_first_chunk()
3214 	if (WARN_ON(ai->groups[0].nr_units != nr_g0_units)) {  in pcpu_page_first_chunk()
3215 		pcpu_free_alloc_info(ai);  in pcpu_page_first_chunk()
3219 	unit_pages = ai->unit_size >> PAGE_SHIFT;  in pcpu_page_first_chunk()
3229 		unsigned int cpu = ai->groups[0].cpu_map[unit];  in pcpu_page_first_chunk()
3247 	vm.size = num_possible_cpus() * ai->unit_size;  in pcpu_page_first_chunk()
3252 			(unsigned long)vm.addr + unit * ai->unit_size;  in pcpu_page_first_chunk()
3263 		flush_cache_vmap_early(unit_addr, unit_addr + ai->unit_size);  in pcpu_page_first_chunk()
3266 		memcpy((void *)unit_addr, __per_cpu_start, ai->static_size);  in pcpu_page_first_chunk()
3271 		unit_pages, psize_str, ai->static_size,  in pcpu_page_first_chunk()
3272 		ai->reserved_size, ai->dyn_size);  in pcpu_page_first_chunk()
3274 	pcpu_setup_first_chunk(ai, vm.addr);  in pcpu_page_first_chunk()
3283 	pcpu_free_alloc_info(ai);  in pcpu_page_first_chunk()
3339 	struct pcpu_alloc_info *ai;  in setup_per_cpu_areas()  local
3342 	ai = pcpu_alloc_alloc_info(1, 1);  in setup_per_cpu_areas()
3344 	if (!ai || !fc)  in setup_per_cpu_areas()
3349 	ai->dyn_size = unit_size;  in setup_per_cpu_areas()
3350 	ai->unit_size = unit_size;  in setup_per_cpu_areas()
3351 	ai->atom_size = unit_size;  in setup_per_cpu_areas()
3352 	ai->alloc_size = unit_size;  in setup_per_cpu_areas()
3353 	ai->groups[0].nr_units = 1;  in setup_per_cpu_areas()
3354 	ai->groups[0].cpu_map[0] = 0;  in setup_per_cpu_areas()
3356 	pcpu_setup_first_chunk(ai, fc);  in setup_per_cpu_areas()
3357 	pcpu_free_alloc_info(ai);  in setup_per_cpu_areas()