Merge branch 'linux-4.19' of git://github.com/skeggsb/linux into drm-fixes
[linux-2.6-microblaze.git] / drivers / base / memory.c
index c8a1cb0..817320c 100644 (file)
@@ -416,26 +416,24 @@ static ssize_t show_valid_zones(struct device *dev,
        struct zone *default_zone;
        int nid;
 
-       /*
-        * The block contains more than one zone can not be offlined.
-        * This can happen e.g. for ZONE_DMA and ZONE_DMA32
-        */
-       if (!test_pages_in_a_zone(start_pfn, start_pfn + nr_pages, &valid_start_pfn, &valid_end_pfn))
-               return sprintf(buf, "none\n");
-
-       start_pfn = valid_start_pfn;
-       nr_pages = valid_end_pfn - start_pfn;
-
        /*
         * Check the existing zone. Make sure that we do that only on the
         * online nodes otherwise the page_zone is not reliable
         */
        if (mem->state == MEM_ONLINE) {
+               /*
+                * The block contains more than one zone can not be offlined.
+                * This can happen e.g. for ZONE_DMA and ZONE_DMA32
+                */
+               if (!test_pages_in_a_zone(start_pfn, start_pfn + nr_pages,
+                                         &valid_start_pfn, &valid_end_pfn))
+                       return sprintf(buf, "none\n");
+               start_pfn = valid_start_pfn;
                strcat(buf, page_zone(pfn_to_page(start_pfn))->name);
                goto out;
        }
 
-       nid = pfn_to_nid(start_pfn);
+       nid = mem->nid;
        default_zone = zone_for_pfn_range(MMOP_ONLINE_KEEP, nid, start_pfn, nr_pages);
        strcat(buf, default_zone->name);