X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fbase%2Fmemory.c;fp=kernel%2Fdrivers%2Fbase%2Fmemory.c;h=48c0a1d0dd3a83644c9becdc83cb7b794228ac41;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=25425d3f257536b291f27aa975bb8f164c0c437c;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/base/memory.c b/kernel/drivers/base/memory.c
index 25425d3f2..48c0a1d0d 100644
--- a/kernel/drivers/base/memory.c
+++ b/kernel/drivers/base/memory.c
@@ -388,30 +388,29 @@ static ssize_t show_valid_zones(struct device *dev,
 {
 	struct memory_block *mem = to_memory_block(dev);
 	unsigned long start_pfn, end_pfn;
+	unsigned long valid_start, valid_end;
 	unsigned long nr_pages = PAGES_PER_SECTION * sections_per_block;
-	struct page *first_page;
 	struct zone *zone;
 
 	start_pfn = section_nr_to_pfn(mem->start_section_nr);
 	end_pfn = start_pfn + nr_pages;
-	first_page = pfn_to_page(start_pfn);
 
 	/* The block contains more than one zone can not be offlined. */
-	if (!test_pages_in_a_zone(start_pfn, end_pfn))
+	if (!test_pages_in_a_zone(start_pfn, end_pfn, &valid_start, &valid_end))
 		return sprintf(buf, "none\n");
 
-	zone = page_zone(first_page);
+	zone = page_zone(pfn_to_page(valid_start));
 
 	if (zone_idx(zone) == ZONE_MOVABLE - 1) {
 		/*The mem block is the last memoryblock of this zone.*/
-		if (end_pfn == zone_end_pfn(zone))
+		if (valid_end == zone_end_pfn(zone))
 			return sprintf(buf, "%s %s\n",
 					zone->name, (zone + 1)->name);
 	}
 
 	if (zone_idx(zone) == ZONE_MOVABLE) {
 		/*The mem block is the first memoryblock of ZONE_MOVABLE.*/
-		if (start_pfn == zone->zone_start_pfn)
+		if (valid_start == zone->zone_start_pfn)
 			return sprintf(buf, "%s %s\n",
 					zone->name, (zone - 1)->name);
 	}