X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fbase%2Fnode.c;h=560751bad2947105a0d06e7650bf906c3e4f0de7;hb=e81b594cdae73f341ea13bc9fb2b57a5b739c1a3;hp=31df474d72f4a275ba0c87fb79a26c538fc661ca;hpb=00f76410461fe7abdd2e579ca21e4818f7be0843;p=karo-tx-linux.git

diff --git a/drivers/base/node.c b/drivers/base/node.c
index 31df474d72f4..560751bad294 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -392,6 +392,16 @@ int register_mem_sect_under_node(struct memory_block *mem_blk, int nid)
 	for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
 		int page_nid;
 
+		/*
+		 * memory block could have several absent sections from start.
+		 * skip pfn range from absent section
+		 */
+		if (!pfn_present(pfn)) {
+			pfn = round_down(pfn + PAGES_PER_SECTION,
+					 PAGES_PER_SECTION) - 1;
+			continue;
+		}
+
 		page_nid = get_nid_for_pfn(pfn);
 		if (page_nid < 0)
 			continue;