block: export "ro" attribute

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

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8e83f02cd2d3d0bdb7124588e11e6d2950bd67ea..2f552955a02fbade92fb28c7e7338df46e8244e0 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -237,16 +237,7 @@ static void bad_page(struct page *page)
        printk(KERN_EMERG "Trying to fix it up, but a reboot is needed\n"
                KERN_EMERG "Backtrace:\n");
        dump_stack();
-       page->flags &= ~(1 << PG_lru    |
-                       1 << PG_private |
-                       1 << PG_locked  |
-                       1 << PG_active  |
-                       1 << PG_dirty   |
-                       1 << PG_reclaim |
-                       1 << PG_slab    |
-                       1 << PG_swapcache |
-                       1 << PG_writeback |
-                       1 << PG_buddy );
+       page->flags &= ~PAGE_FLAGS_CLEAR_WHEN_BAD;
        set_page_count(page, 0);
        reset_page_mapcount(page);
        page->mapping = NULL;
@@ -463,16 +454,7 @@ static inline int free_pages_check(struct page *page)
                (page->mapping != NULL)  |
                (page_get_page_cgroup(page) != NULL) |
                (page_count(page) != 0)  |
-               (page->flags & (
-                       1 << PG_lru     |
-                       1 << PG_private |
-                       1 << PG_locked  |
-                       1 << PG_active  |
-                       1 << PG_slab    |
-                       1 << PG_swapcache |
-                       1 << PG_writeback |
-                       1 << PG_reserved |
-                       1 << PG_buddy ))))
+               (page->flags & PAGE_FLAGS_CHECK_AT_FREE)))
                bad_page(page);
        if (PageDirty(page))
                __ClearPageDirty(page);
@@ -616,17 +598,7 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags)
                (page->mapping != NULL)  |
                (page_get_page_cgroup(page) != NULL) |
                (page_count(page) != 0)  |
-               (page->flags & (
-                       1 << PG_lru     |
-                       1 << PG_private |
-                       1 << PG_locked  |
-                       1 << PG_active  |
-                       1 << PG_dirty   |
-                       1 << PG_slab    |
-                       1 << PG_swapcache |
-                       1 << PG_writeback |
-                       1 << PG_reserved |
-                       1 << PG_buddy ))))
+               (page->flags & PAGE_FLAGS_CHECK_AT_PREP)))
                bad_page(page);
 
        /*