[ARM] Feroceon: pass proper -mtune argument to gcc

[safe/jmp/linux-2.6] / mm / swap_state.c

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 2c217e3..3353c90 100644 (file)
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -33,7 +33,7 @@ static const struct address_space_operations swap_aops = {
 };
 
 static struct backing_dev_info swap_backing_dev_info = {
-       .capabilities   = BDI_CAP_NO_ACCT_AND_WRITEBACK,
+       .capabilities   = BDI_CAP_NO_ACCT_AND_WRITEBACK | BDI_CAP_SWAP_BACKED,
        .unplug_io_fn   = swap_unplug_io_fn,
 };
 
@@ -56,10 +56,11 @@ static struct {
 
 void show_swap_cache_info(void)
 {
-       printk("Swap cache: add %lu, delete %lu, find %lu/%lu\n",
+       printk("%lu pages in swap cache\n", total_swapcache_pages);
+       printk("Swap cache stats: add %lu, delete %lu, find %lu/%lu\n",
                swap_cache_info.add_total, swap_cache_info.del_total,
                swap_cache_info.find_success, swap_cache_info.find_total);
-       printk("Free swap  = %lukB\n", nr_swap_pages << (PAGE_SHIFT - 10));
+       printk("Free swap  = %ldkB\n", nr_swap_pages << (PAGE_SHIFT - 10));
        printk("Total swap = %lukB\n", total_swap_pages << (PAGE_SHIFT - 10));
 }
 
@@ -74,6 +75,7 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry, gfp_t gfp_mask)
        BUG_ON(!PageLocked(page));
        BUG_ON(PageSwapCache(page));
        BUG_ON(PagePrivate(page));
+       BUG_ON(!PageSwapBacked(page));
        error = radix_tree_preload(gfp_mask);
        if (!error) {
                page_cache_get(page);
@@ -200,7 +202,7 @@ void delete_from_swap_cache(struct page *page)
  */
 static inline void free_swap_cache(struct page *page)
 {
-       if (PageSwapCache(page) && !TestSetPageLocked(page)) {
+       if (PageSwapCache(page) && trylock_page(page)) {
                remove_exclusive_swap_page(page);
                unlock_page(page);
        }
@@ -301,17 +303,19 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
                 * re-using the just freed swap entry for an existing page.
                 * May fail (-ENOMEM) if radix-tree node allocation failed.
                 */
-               SetPageLocked(new_page);
+               __set_page_locked(new_page);
+               SetPageSwapBacked(new_page);
                err = add_to_swap_cache(new_page, entry, gfp_mask & GFP_KERNEL);
-               if (!err) {
+               if (likely(!err)) {
                        /*
                         * Initiate read into locked page and return.
                         */
-                       lru_cache_add_active(new_page);
+                       lru_cache_add_anon(new_page);
                        swap_readpage(NULL, new_page);
                        return new_page;
                }
-               ClearPageLocked(new_page);
+               ClearPageSwapBacked(new_page);
+               __clear_page_locked(new_page);
                swap_free(entry);
        } while (err != -ENOMEM);