diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index ee7c2e9c0340..836515e8feee 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -139,7 +139,7 @@ xfs_buf_free(
 	ASSERT(list_empty(&bp->b_lru));
 
 	if (!xfs_buftarg_is_mem(bp->b_target) && size >= PAGE_SIZE)
-		mm_account_reclaimed_pages(howmany(size, PAGE_SHIFT));
+		mm_account_reclaimed_pages(howmany(size, PAGE_SIZE));
 
 	if (is_vmalloc_addr(bp->b_addr))
 		vfree(bp->b_addr);