linux/mm/numa_memblks.c

27 		if (mi->blk[i].start != mi->blk[i].end &&
133 static int __init numa_add_memblk_to(int nid, u64 start, u64 end,
137 	if (start == end)
141 	if (start > end || nid < 0 || nid >= MAX_NUMNODES) {
143 			nid, start, end - 1);
152 	mi->blk[mi->nr_blks].start = start;
190  * @start: Start address of the new memblk
198 int __init numa_add_memblk(int nid, u64 start, u64 end)
200 	return numa_add_memblk_to(nid, start, end, &numa_meminfo);
206  * @start: Start address of the new memblk
220 int __init numa_add_reserved_memblk(int nid, u64 start, u64 end)
222 	return numa_add_memblk_to(nid, start, end, &numa_reserved_meminfo);
247 					bi->start, bi->end - bi->start)) {
253 		bi->start = max(bi->start, low);
263 		if (bi->start >= bi->end)
273 			u64 start, end;
280 			if (bi->end > bj->start && bi->start < bj->end) {
283 					       bi->nid, bi->start, bi->end - 1,
284 					       bj->nid, bj->start, bj->end - 1);
288 					bi->nid, bi->start, bi->end - 1,
289 					bj->start, bj->end - 1);
299 			start = min(bi->start, bj->start);
306 				if (start < bk->end && end > bk->start)
312 			       bi->nid, bi->start, bi->end - 1, bj->start,
313 			       bj->end - 1, start, end - 1);
314 			bi->start = start;
322 		mi->blk[i].start = mi->blk[i].end = 0;
357 		ret = memblock_set_node(mb->start, mb->end - mb->start,
392 		memblock_clear_hotplug(mb->start, mb->end - mb->start);
409 		memblock_set_node(mb->start, mb->end - mb->start,
489 	return (ma->start > mb->start) - (ma->start < mb->start);
496  * @start: address to begin fill
500  * address range @start-@end
504  * NUMA_NO_MEMBLK : No memblks exist in address range @start-@end
507 int __init numa_fill_memblks(u64 start, u64 end)
516 	 * overlap start, end. The list is used to make in-place
522 		if (memblock_addrs_overlap(start, end - start, bi->start,
523 					   bi->end - bi->start)) {
531 	/* Sort the list of pointers in memblk->start order */
534 	/* Make sure the first/last memblks include start/end */
535 	blk[0]->start = min(blk[0]->start, start);
546 		if (prev_end >= curr->start) {
550 			curr->start = prev_end;
558 static int meminfo_to_nid(struct numa_meminfo *mi, u64 start)
563 		if (mi->blk[i].start <= start && mi->blk[i].end > start)
568 int phys_to_target_node(u64 start)
570 	int nid = meminfo_to_nid(&numa_meminfo, start);
579 	return meminfo_to_nid(&numa_reserved_meminfo, start);
583 int memory_add_physaddr_to_nid(u64 start)
585 	int nid = meminfo_to_nid(&numa_meminfo, start);