On Friday 18 January 2013, Vineet Gupta wrote: > + /* setup bootmem allocator */ > + bootmap_sz = init_bootmem_node(NODE_DATA(0), > + first_free_pfn,/* bitmap start */ > + min_low_pfn, /* First pg to track */ > + max_low_pfn); /* Last pg to track */ > + > + /* > + * init_bootmem above marks all tracked Page-frames as inuse "allocated" > + * This includes pages occupied by kernel's elf segments. > + * Beyond that, excluding bootmem bitmap itself, mark the rest of > + * free-mem as "allocatable" > + */ > + alloc_start = kernel_img_end + bootmap_sz; > + free_bootmem(alloc_start, end_mem - alloc_start); > + > + memset(zones_size, 0, sizeof(zones_size)); > + zones_size[ZONE_NORMAL] = num_physpages; > + IIRC, the bootmem allocator is no longer recommended for new architecture. You should use the "memblock" interface instead, as arm64 and tile do. I just saw that this is still listed as TODO for openrisc, sorry if I put you on the wrong track there by recommending to copy from openrisc. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
