X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Flinux%2Fpage-isolation.h;h=2dc1e1697b451ce678781a55776a15c8934be7a5;hb=ad53f92eb416d81e469fa8ea57153e59455e7175;hp=3fff8e774067904bb73b5817ba471099a80555da;hpb=0aefda3e8188ad71168bd32152d41b3d72f04087;p=deliverable%2Flinux.git

diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h
index 3fff8e774067..2dc1e1697b45 100644
--- a/include/linux/page-isolation.h
+++ b/include/linux/page-isolation.h
@@ -2,6 +2,10 @@
 #define __LINUX_PAGEISOLATION_H
 
 #ifdef CONFIG_MEMORY_ISOLATION
+static inline bool has_isolate_pageblock(struct zone *zone)
+{
+	return zone->nr_isolate_pageblock;
+}
 static inline bool is_migrate_isolate_page(struct page *page)
 {
 	return get_pageblock_migratetype(page) == MIGRATE_ISOLATE;
@@ -11,6 +15,10 @@ static inline bool is_migrate_isolate(int migratetype)
 	return migratetype == MIGRATE_ISOLATE;
 }
 #else
+static inline bool has_isolate_pageblock(struct zone *zone)
+{
+	return false;
+}
 static inline bool is_migrate_isolate_page(struct page *page)
 {
 	return false;