[PATCH] mm: split page table lock

[linux-2.6-omap-h63xx.git] / mm / swapfile.c

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 510f0039b00030a7867d38be885f87afcdd76c4f..8970c0b74194f45f2bce26592399e9db40f2947b 100644 (file)
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -61,7 +61,7 @@ void swap_unplug_io_fn(struct backing_dev_info *unused_bdi, struct page *page)
        swp_entry_t entry;
 
        down_read(&swap_unplug_sem);
-       entry.val = page->private;
+       entry.val = page_private(page);
        if (PageSwapCache(page)) {
                struct block_device *bdev = swap_info[swp_type(entry)].bdev;
                struct backing_dev_info *bdi;
@@ -69,8 +69,8 @@ void swap_unplug_io_fn(struct backing_dev_info *unused_bdi, struct page *page)
                /*
                 * If the page is removed from swapcache from under us (with a
                 * racy try_to_unuse/swapoff) we need an additional reference
-                * count to avoid reading garbage from page->private above. If
-                * the WARN_ON triggers during a swapoff it maybe the race
+                * count to avoid reading garbage from page_private(page) above.
+                * If the WARN_ON triggers during a swapoff it maybe the race
                 * condition and it's harmless. However if it triggers without
                 * swapoff it signals a problem.
                 */
@@ -294,7 +294,7 @@ static inline int page_swapcount(struct page *page)
        struct swap_info_struct *p;
        swp_entry_t entry;
 
-       entry.val = page->private;
+       entry.val = page_private(page);
        p = swap_info_get(entry);
        if (p) {
                /* Subtract the 1 for the swap cache itself */
@@ -339,7 +339,7 @@ int remove_exclusive_swap_page(struct page *page)
        if (page_count(page) != 2) /* 2: us + cache */
                return 0;
 
-       entry.val = page->private;
+       entry.val = page_private(page);
        p = swap_info_get(entry);
        if (!p)
                return 0;
@@ -1042,7 +1042,7 @@ int page_queue_congested(struct page *page)
        BUG_ON(!PageLocked(page));      /* It pins the swap_info_struct */
 
        if (PageSwapCache(page)) {
-               swp_entry_t entry = { .val = page->private };
+               swp_entry_t entry = { .val = page_private(page) };
                struct swap_info_struct *sis;
 
                sis = get_swap_info_struct(swp_type(entry));