X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=mm%2Finternal.h;h=3314f79d775a5f90c84e3250d8b93b7bd6f99933;hb=ee6f509c3274014d1f52e7a7a10aee9f85393c5e;hp=2ba87fbfb75b9755e279d39af93359693afe66fd;hpb=5e67cc4041304a0dc77e6cfbb355d69eefb883d0;p=firefly-linux-kernel-4.4.55.git

diff --git a/mm/internal.h b/mm/internal.h
index 2ba87fbfb75b..3314f79d775a 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -118,8 +118,14 @@ struct compact_control {
 	unsigned long nr_freepages;	/* Number of isolated free pages */
 	unsigned long nr_migratepages;	/* Number of pages to migrate */
 	unsigned long free_pfn;		/* isolate_freepages search base */
+	unsigned long start_free_pfn;	/* where we started the search */
 	unsigned long migrate_pfn;	/* isolate_migratepages search base */
 	bool sync;			/* Synchronous migration */
+	bool wrapped;			/* Order > 0 compactions are
+					   incremental, once free_pfn
+					   and migrate_pfn meet, we restart
+					   from the top of the zone;
+					   remember we wrapped around. */
 
 	int order;			/* order a direct compactor needs */
 	int migratetype;		/* MOVABLE, RECLAIMABLE etc */
@@ -347,3 +353,5 @@ extern u32 hwpoison_filter_enable;
 extern unsigned long vm_mmap_pgoff(struct file *, unsigned long,
         unsigned long, unsigned long,
         unsigned long, unsigned long);
+
+extern void set_pageblock_order(void);