mm: migrate: Add a tracepoint for migrate_pages

[linux-2.6-block.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index bb90971182bd8c833e40f508e3c8b8677d6913c8..5953dc2d196f1a5b3b7f584361f41ca6cbf08c93 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1809,10 +1809,10 @@ static void __paginginit init_zone_allows_reclaim(int nid)
        int i;
 
        for_each_online_node(i)
-               if (node_distance(nid, i) <= RECLAIM_DISTANCE) {
+               if (node_distance(nid, i) <= RECLAIM_DISTANCE)
                        node_set(i, NODE_DATA(nid)->reclaim_nodes);
+               else
                        zone_reclaim_mode = 1;
-               }
 }
 
 #else  /* CONFIG_NUMA */
@@ -4505,7 +4505,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
                zone->zone_pgdat = pgdat;
 
                zone_pcp_init(zone);
-               lruvec_init(&zone->lruvec, zone);
+               lruvec_init(&zone->lruvec);
                if (!size)
                        continue;
 
@@ -5707,7 +5707,8 @@ static int __alloc_contig_migrate_range(struct compact_control *cc,
 
                ret = migrate_pages(&cc->migratepages,
                                    alloc_migrate_target,
-                                   0, false, MIGRATE_SYNC);
+                                   0, false, MIGRATE_SYNC,
+                                   MR_CMA);
        }
 
        putback_lru_pages(&cc->migratepages);
@@ -5825,7 +5826,7 @@ int alloc_contig_range(unsigned long start, unsigned long end,
        ret = start_isolate_page_range(pfn_max_align_down(start),
                                       pfn_max_align_up(end), migratetype);
        if (ret)
-               goto done;
+               return ret;
 
        ret = __alloc_contig_migrate_range(&cc, start, end);
        if (ret)
@@ -6098,37 +6099,3 @@ void dump_page(struct page *page)
        dump_page_flags(page->flags);
        mem_cgroup_print_bad_page(page);
 }
-
-/* reset zone->present_pages */
-void reset_zone_present_pages(void)
-{
-       struct zone *z;
-       int i, nid;
-
-       for_each_node_state(nid, N_HIGH_MEMORY) {
-               for (i = 0; i < MAX_NR_ZONES; i++) {
-                       z = NODE_DATA(nid)->node_zones + i;
-                       z->present_pages = 0;
-               }
-       }
-}
-
-/* calculate zone's present pages in buddy system */
-void fixup_zone_present_pages(int nid, unsigned long start_pfn,
-                               unsigned long end_pfn)
-{
-       struct zone *z;
-       unsigned long zone_start_pfn, zone_end_pfn;
-       int i;
-
-       for (i = 0; i < MAX_NR_ZONES; i++) {
-               z = NODE_DATA(nid)->node_zones + i;
-               zone_start_pfn = z->zone_start_pfn;
-               zone_end_pfn = zone_start_pfn + z->spanned_pages;
-
-               /* if the two regions intersect */
-               if (!(zone_start_pfn >= end_pfn || zone_end_pfn <= start_pfn))
-                       z->present_pages += min(end_pfn, zone_end_pfn) -
-                                           max(start_pfn, zone_start_pfn);
-       }
-}