Pull bugzilla-9535 into release branch

[pandora-kernel.git] / mm / highmem.c

diff --git a/mm/highmem.c b/mm/highmem.c
index 51e1c19..7a967bc 100644 (file)
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -46,9 +46,14 @@ unsigned int nr_free_highpages (void)
        pg_data_t *pgdat;
        unsigned int pages = 0;
 
-       for_each_online_pgdat(pgdat)
+       for_each_online_pgdat(pgdat) {
                pages += zone_page_state(&pgdat->node_zones[ZONE_HIGHMEM],
                        NR_FREE_PAGES);
+               if (zone_movable_is_highmem())
+                       pages += zone_page_state(
+                                       &pgdat->node_zones[ZONE_MOVABLE],
+                                       NR_FREE_PAGES);
+       }
 
        return pages;
 }
@@ -99,6 +104,15 @@ static void flush_all_zero_pkmaps(void)
        flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP));
 }
 
+/* Flush all unused kmap mappings in order to remove stray
+   mappings. */
+void kmap_flush_unused(void)
+{
+       spin_lock(&kmap_lock);
+       flush_all_zero_pkmaps();
+       spin_unlock(&kmap_lock);
+}
+
 static inline unsigned long map_new_virtual(struct page *page)
 {
        unsigned long vaddr;