x86: extend e820 early_res support 32bit -fix #4 (16387295) · Commits · 戴 / test

arch/x86/mm/discontig_32.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -159,8 +159,13 @@ static void __init allocate_pgdat(int nid)
		if (nid && node_has_online_mem(nid))
		NODE_DATA(nid) = (pg_data_t *)node_remap_start_vaddr[nid];
		else {
		NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(min_low_pfn));
		min_low_pfn += PFN_UP(sizeof(pg_data_t));
		unsigned long pgdat_phys;
		pgdat_phys = find_e820_area(min_low_pfn<<PAGE_SHIFT,
		max_low_pfn<<PAGE_SHIFT, sizeof(pg_data_t),
		PAGE_SIZE);
		NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(pgdat_phys>>PAGE_SHIFT));
		reserve_early(pgdat_phys, pgdat_phys + sizeof(pg_data_t),
		"NODE_DATA");
		}
		}