page cache: use xa_lock

[linux-2.6-microblaze.git] / arch / parisc / include / asm / cacheflush.h

diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index bd5ce31..0c83644 100644 (file)
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -55,10 +55,8 @@ void invalidate_kernel_vmap_range(void *vaddr, int size);
 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
 extern void flush_dcache_page(struct page *page);
 
-#define flush_dcache_mmap_lock(mapping) \
-       spin_lock_irq(&(mapping)->tree_lock)
-#define flush_dcache_mmap_unlock(mapping) \
-       spin_unlock_irq(&(mapping)->tree_lock)
+#define flush_dcache_mmap_lock(mapping)                xa_lock_irq(&mapping->i_pages)
+#define flush_dcache_mmap_unlock(mapping)      xa_unlock_irq(&mapping->i_pages)
 
 #define flush_icache_page(vma,page)    do {            \
        flush_kernel_dcache_page(page);                 \