lguest: document 32-bit and PAE requirements

[deliverable/linux.git] / mm / vmscan.c

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 06e72693b4587a6181b002dec4f14ac5a7d4ba06..99155b7b8123fc312d3d38869a179d9b3e4ab1eb 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -283,7 +283,7 @@ static inline int page_mapping_inuse(struct page *page)
 
 static inline int is_page_cache_freeable(struct page *page)
 {
-       return page_count(page) - !!PagePrivate(page) == 2;
+       return page_count(page) - !!page_has_private(page) == 2;
 }
 
 static int may_write_to_queue(struct backing_dev_info *bdi)
@@ -367,7 +367,7 @@ static pageout_t pageout(struct page *page, struct address_space *mapping,
                 * Some data journaling orphaned pages can have
                 * page->mapping == NULL while being dirty with clean buffers.
                 */
-               if (PagePrivate(page)) {
+               if (page_has_private(page)) {
                        if (try_to_free_buffers(page)) {
                                ClearPageDirty(page);
                                printk("%s: orphaned page\n", __func__);
@@ -727,7 +727,7 @@ static unsigned long shrink_page_list(struct list_head *page_list,
                 * process address space (page_count == 1) it can be freed.
                 * Otherwise, leave the page on the LRU so it is swappable.
                 */
-               if (PagePrivate(page)) {
+               if (page_has_private(page)) {
                        if (!try_to_release_page(page, sc->gfp_mask))
                                goto activate_locked;
                        if (!mapping && page_count(page) == 1) {
@@ -1967,7 +1967,7 @@ static int kswapd(void *p)
        struct reclaim_state reclaim_state = {
                .reclaimed_slab = 0,
        };
-       node_to_cpumask_ptr(cpumask, pgdat->node_id);
+       const struct cpumask *cpumask = cpumask_of_node(pgdat->node_id);
 
        lockdep_set_current_reclaim_state(GFP_KERNEL);
 
@@ -2088,13 +2088,13 @@ static void shrink_all_zones(unsigned long nr_pages, int prio,
                                nr_reclaimed += shrink_list(l, nr_to_scan, zone,
                                                                sc, prio);
                                if (nr_reclaimed >= nr_pages) {
-                                       sc->nr_reclaimed = nr_reclaimed;
+                                       sc->nr_reclaimed += nr_reclaimed;
                                        return;
                                }
                        }
                }
        }
-       sc->nr_reclaimed = nr_reclaimed;
+       sc->nr_reclaimed += nr_reclaimed;
 }
 
 /*
@@ -2115,6 +2115,7 @@ unsigned long shrink_all_memory(unsigned long nr_pages)
                .may_unmap = 0,
                .may_writepage = 1,
                .isolate_pages = isolate_pages_global,
+               .nr_reclaimed = 0,
        };
 
        current->reclaim_state = &reclaim_state;
@@ -2204,7 +2205,9 @@ static int __devinit cpu_callback(struct notifier_block *nfb,
        if (action == CPU_ONLINE || action == CPU_ONLINE_FROZEN) {
                for_each_node_state(nid, N_HIGH_MEMORY) {
                        pg_data_t *pgdat = NODE_DATA(nid);
-                       node_to_cpumask_ptr(mask, pgdat->node_id);
+                       const struct cpumask *mask;
+
+                       mask = cpumask_of_node(pgdat->node_id);
 
                        if (cpumask_any_and(cpu_online_mask, mask) < nr_cpu_ids)
                                /* One of our CPUs online: restore mask */