On 06/07/2018 11:27 PM, Baoquan He wrote: > In alloc_usemap_and_memmap(), it will call > sparse_early_usemaps_alloc_node() or sparse_early_mem_maps_alloc_node() > to allocate usemap and memmap for each node and install them into > usemap_map[] and map_map[]. Here we need pass in the number of present > sections on this node so that we can move pointer of usemap_map[] and > map_map[] to right position. > > How do think about above words? But you're now passing in the size of the data structure. Why is that needed all of a sudden?
