linux-master/mm/percpu.c

1351 	size_t alloc_size;
1360 	alloc_size = struct_size(chunk, populated,
1362 	chunk = memblock_alloc(alloc_size, SMP_CACHE_BYTES);
1365 		      alloc_size);
1376 	alloc_size = BITS_TO_LONGS(region_bits) * sizeof(chunk->alloc_map[0]);
1377 	chunk->alloc_map = memblock_alloc(alloc_size, SMP_CACHE_BYTES);
1380 		      alloc_size);
1382 	alloc_size =
1384 	chunk->bound_map = memblock_alloc(alloc_size, SMP_CACHE_BYTES);
1387 		      alloc_size);
1389 	alloc_size = pcpu_chunk_nr_blocks(chunk) * sizeof(chunk->md_blocks[0]);
1390 	chunk->md_blocks = memblock_alloc(alloc_size, SMP_CACHE_BYTES);
1393 		      alloc_size);
2522 	upa = ai->alloc_size / ai->unit_size;
2528 	       ai->unit_size, ai->alloc_size / ai->atom_size, ai->atom_size);
2587  * @ai->alloc_size is the allocation size and always multiple of
2620 	size_t alloc_size;
2651 	alloc_size = ai->nr_groups * sizeof(group_offsets[0]);
2652 	group_offsets = memblock_alloc(alloc_size, SMP_CACHE_BYTES);
2655 		      alloc_size);
2657 	alloc_size = ai->nr_groups * sizeof(group_sizes[0]);
2658 	group_sizes = memblock_alloc(alloc_size, SMP_CACHE_BYTES);
2661 		      alloc_size);
2663 	alloc_size = nr_cpu_ids * sizeof(unit_map[0]);
2664 	unit_map = memblock_alloc(alloc_size, SMP_CACHE_BYTES);
2667 		      alloc_size);
2669 	alloc_size = nr_cpu_ids * sizeof(unit_off[0]);
2670 	unit_off = memblock_alloc(alloc_size, SMP_CACHE_BYTES);
2673 		      alloc_size);
2874 	size_t size_sum, min_unit_size, alloc_size;
2892 	 * Determine min_unit_size, alloc_size and max_upa such that
2893 	 * alloc_size is multiple of atom_size and is the smallest
2900 	alloc_size = roundup(min_unit_size, atom_size);
2901 	upa = alloc_size / min_unit_size;
2902 	while (alloc_size % upa || (offset_in_page(alloc_size / upa)))
2938 		if (alloc_size % upa || (offset_in_page(alloc_size / upa)))
2981 	ai->unit_size = alloc_size / upa;
2983 	ai->alloc_size = alloc_size;
3282 	upa = ai->alloc_size/ai->unit_size;
3425 	ai->alloc_size = unit_size;