mm: introduce page reference manipulation functions

[linux-2.6-block.git] / arch / powerpc / platforms / 512x / mpc512x_shared.c

diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index 711f3d352af7b45e6ca7786f065963dbde3eb747..452da2391153aef4ffb132a65d440ccfa8fe0e45 100644 (file)
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -188,7 +188,7 @@ static struct fsl_diu_shared_fb __attribute__ ((__aligned__(8))) diu_shared_fb;
 static inline void mpc512x_free_bootmem(struct page *page)
 {
        BUG_ON(PageTail(page));
-       BUG_ON(atomic_read(&page->_count) > 1);
+       BUG_ON(page_ref_count(page) > 1);
        free_reserved_page(page);
 }