Index: linux-2.6.20-rc3/fs/fs-writeback.c
===================================================================
--- linux-2.6.20-rc3.orig/fs/fs-writeback.c	2007-01-05 20:08:38.000000000 -0600
+++ linux-2.6.20-rc3/fs/fs-writeback.c	2007-01-05 21:44:25.552237271 -0600
@@ -319,6 +319,7 @@ sync_sb_inodes(struct super_block *sb, s
 		struct address_space *mapping = inode->i_mapping;
 		struct backing_dev_info *bdi = mapping->backing_dev_info;
 		long pages_skipped;
+		unsigned long pages;
 
 		if (!bdi_cap_writeback_dirty(bdi)) {
 			list_move(&inode->i_list, &sb->s_dirty);
@@ -366,18 +367,34 @@ sync_sb_inodes(struct super_block *sb, s
 			break;
 
 #ifdef CONFIG_CPUSETS
-		if (wbc->in_cpuset && !nodes_intersects(mapping->dirty_nodes,
-				cpuset_current_mems_allowed))
-			break;
+		if (wbc->in_cpuset) {
+			printk(KERN_INFO "mapping=%p dirty_map=%lx allowed=%lx\n",
+				mapping, mapping->dirty_nodes.bits[0],
+				cpuset_current_mems_allowed.bits[0]);
+			if (!nodes_intersects(mapping->dirty_nodes,
+				cpuset_current_mems_allowed)) {
+				printk(KERN_INFO "skipping inode because there were no dirty pages on the nodes\n");
+				break;
+			}
+			printk(KERN_INFO "inode has dirty nodes in cpuset\n");
+		}
 #endif
 		BUG_ON(inode->i_state & I_FREEING);
 		__iget(inode);
 		pages_skipped = wbc->pages_skipped;
+		pages = wbc->nr_to_write;
 		__writeback_single_inode(inode, wbc);
 		if (wbc->sync_mode == WB_SYNC_HOLD) {
 			inode->dirtied_when = jiffies;
 			list_move(&inode->i_list, &sb->s_dirty);
 		}
+		pages -= wbc->nr_to_write;
+		if (pages > 1) {
+			printk(KERN_INFO "Wrote %ld pages from mapping=%p\n", pages, mapping);
+			if (!wbc->in_cpuset)
+				dump_stack();
+		}
+
 		if (current_is_pdflush())
 			writeback_release(bdi);
 		if (wbc->pages_skipped != pages_skipped) {
Index: linux-2.6.20-rc3/drivers/base/node.c
===================================================================
--- linux-2.6.20-rc3.orig/drivers/base/node.c	2006-12-31 18:53:20.000000000 -0600
+++ linux-2.6.20-rc3/drivers/base/node.c	2007-01-05 21:21:34.958916814 -0600
@@ -70,7 +70,8 @@ static ssize_t node_read_meminfo(struct 
 		       "Node %d Bounce:       %8lu kB\n"
 		       "Node %d Slab:         %8lu kB\n"
 		       "Node %d SReclaimable: %8lu kB\n"
-		       "Node %d SUnreclaim:   %8lu kB\n",
+		       "Node %d SUnreclaim:   %8lu kB\n"
+		       "Node %d Unreclaimabl: %8lu kB\n",
 		       nid, K(i.totalram),
 		       nid, K(i.freeram),
 		       nid, K(i.totalram - i.freeram),
@@ -93,7 +94,8 @@ static ssize_t node_read_meminfo(struct 
 		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
 				node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
 		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
-		       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)));
+		       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
+		       nid, K(node_page_state(nid, NR_UNRECLAIMABLE)));
 	n += hugetlb_report_node_meminfo(nid, buf + n);
 	return n;
 }