- struct pglist_data *node = NODE_DATA(nid);
- struct memblock_region *reg;
-
- for_each_memblock(reserved, reg) {
- unsigned long physbase = reg->base;
- unsigned long size = reg->size;
- unsigned long start_pfn = physbase >> PAGE_SHIFT;
- unsigned long end_pfn = PFN_UP(physbase + size);
- struct node_active_region node_ar;
- unsigned long node_end_pfn = pgdat_end_pfn(node);
-
- /*
- * Check to make sure that this memblock.reserved area is
- * within the bounds of the node that we care about.
- * Checking the nid of the start and end points is not
- * sufficient because the reserved area could span the
- * entire node.
- */
- if (end_pfn <= node->node_start_pfn ||
- start_pfn >= node_end_pfn)
- continue;
-
- get_node_active_region(start_pfn, &node_ar);
- while (start_pfn < end_pfn &&
- node_ar.start_pfn < node_ar.end_pfn) {
- unsigned long reserve_size = size;
- /*
- * if reserved region extends past active region
- * then trim size to active region
- */
- if (end_pfn > node_ar.end_pfn)
- reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
- - physbase;
- /*
- * Only worry about *this* node, others may not
- * yet have valid NODE_DATA().
- */
- if (node_ar.nid == nid) {
- dbg("reserve_bootmem %lx %lx nid=%d\n",
- physbase, reserve_size, node_ar.nid);
- reserve_bootmem_node(NODE_DATA(node_ar.nid),
- physbase, reserve_size,
- BOOTMEM_DEFAULT);
- }
- /*
- * if reserved region is contained in the active region
- * then done.
- */
- if (end_pfn <= node_ar.end_pfn)
- break;
-
- /*
- * reserved region extends past the active region
- * get next active region that contains this
- * reserved region
- */
- start_pfn = node_ar.end_pfn;
- physbase = start_pfn << PAGE_SHIFT;
- size = size - reserve_size;
- get_node_active_region(start_pfn, &node_ar);
- }
- }
+ u64 spanned_pages = end_pfn - start_pfn;
+ const size_t nd_size = roundup(sizeof(pg_data_t), SMP_CACHE_BYTES);
+ u64 nd_pa;
+ void *nd;
+ int tnid;
+
+ if (spanned_pages)
+ pr_info("Initmem setup node %d [mem %#010Lx-%#010Lx]\n",
+ nid, start_pfn << PAGE_SHIFT,
+ (end_pfn << PAGE_SHIFT) - 1);
+ else
+ pr_info("Initmem setup node %d\n", nid);
+
+ nd_pa = memblock_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
+ nd = __va(nd_pa);
+
+ /* report and initialize */
+ pr_info(" NODE_DATA [mem %#010Lx-%#010Lx]\n",
+ nd_pa, nd_pa + nd_size - 1);
+ tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT);
+ if (tnid != nid)
+ pr_info(" NODE_DATA(%d) on node %d\n", nid, tnid);
+
+ node_data[nid] = nd;
+ memset(NODE_DATA(nid), 0, sizeof(pg_data_t));
+ NODE_DATA(nid)->node_id = nid;
+ NODE_DATA(nid)->node_start_pfn = start_pfn;
+ NODE_DATA(nid)->node_spanned_pages = spanned_pages;