Index: linux-2.6.14-mm2/mm/mempolicy.c
===================================================================
--- linux-2.6.14-mm2.orig/mm/mempolicy.c	2005-11-11 13:48:35.000000000 -0800
+++ linux-2.6.14-mm2/mm/mempolicy.c	2005-11-11 13:48:35.000000000 -0800
@@ -188,13 +188,14 @@ static struct mempolicy *mpol_new(int mo
 }
 
 /* Check if we are the only process mapping the page in question */
-static inline int single_mm_mapping(struct mm_struct *mm,
+static int single_mm_mapping(struct mm_struct *mm,
 			struct address_space *mapping)
 {
 	struct vm_area_struct *vma;
 	struct prio_tree_iter iter;
 	int rc = 1;
 
+	printk(KERN_ERR "single_mm_mapping: %p %p\n", mm, mapping);
 	spin_lock(&mapping->i_mmap_lock);
 	vma_prio_tree_foreach(vma, &iter, &mapping->i_mmap, 0, ULONG_MAX)
 		if (mm != vma->vm_mm) {
@@ -262,6 +263,7 @@ static int check_pte_range(struct vm_are
 			continue;
 		}
 		nid = pfn_to_nid(pfn);
+		printk(KERN_ERR "check_pte_range: Node=%d nodes=%lx flags=%lx\n", nid, nodes->bits[0], flags);
 		if (!node_isset(nid, *nodes) == !(flags & MPOL_MF_INVERT)) {
 			if (pagelist) {
 				struct page *page = pfn_to_page(pfn);
@@ -375,12 +377,15 @@ check_range(struct mm_struct *mm, unsign
 			if (prev && prev->vm_end < vma->vm_start)
 				return ERR_PTR(-EFAULT);
 		}
+		printk(KERN_ERR "4\n");
 		if (!is_vm_hugetlb_page(vma) &&
 		    ((flags & MPOL_MF_STRICT) ||
 		     ((flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) &&
 		      vma_migratable(vma)
 		   ))) {
 			unsigned long endvma = vma->vm_end;
+
+			printk(KERN_ERR "vma from %lx-%lx\n",vma->vm_start, vma->vm_end);
 			if (endvma > end)
 				endvma = end;
 			if (vma->vm_start > start)
@@ -520,12 +525,17 @@ long do_mbind(unsigned long start, unsig
 	int err;
 	LIST_HEAD(pagelist);
 
+	printk(KERN_ERR "do_mbind\n");
 	if ((flags & ~(unsigned long)(MPOL_MF_STRICT | MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))
 	    || mode > MPOL_MAX)
 		return -EINVAL;
+
+	printk(KERN_ERR "1\n");
 	if ((flags & MPOL_MF_MOVE_ALL) && !capable(CAP_SYS_RESOURCE))
 		return -EPERM;
 
+
+	printk(KERN_ERR "2\n");
 	if (start & ~PAGE_MASK)
 		return -EINVAL;
 
@@ -535,14 +545,17 @@ long do_mbind(unsigned long start, unsig
 	len = (len + PAGE_SIZE - 1) & PAGE_MASK;
 	end = start + len;
 
+	printk(KERN_ERR "3\n");
 	if (end < start)
 		return -EINVAL;
 	if (end == start)
 		return 0;
 
+	printk(KERN_ERR "4\n");
 	if (mpol_check_policy(mode, nmask))
 		return -EINVAL;
 
+	printk(KERN_ERR "5\n");
 	new = mpol_new(mode, nmask);
 	if (IS_ERR(new))
 		return PTR_ERR(new);
@@ -714,6 +727,7 @@ int migrate_to_node(struct mm_struct *mm
 	LIST_HEAD(pagelist);
 	int err = 0;
 
+	printk(KERN_ERR "migrate_to_node %p %d->%d %x\n",mm, source, dest,flags);
 	nodes_clear(nmask);
 	node_set(source, nmask);
 
@@ -728,7 +742,8 @@ int migrate_to_node(struct mm_struct *mm
 		if (!list_empty(&pagelist))
 			putback_lru_pages(&pagelist);
 
-	}
+	} else
+		printk(KERN_ERR "pagelist empty\n");
 	return err;
 }
 
@@ -746,6 +761,7 @@ int do_migrate_pages(struct mm_struct *m
 	nodemask_t tmp;
 	int busy = 0;
 
+	printk("do_migrate_pages\n");
 	down_read(&mm->mmap_sem);
 
 /* Find a 'source' bit set in 'tmp' whose corresponding 'dest'
@@ -887,6 +903,7 @@ asmlinkage long sys_mbind(unsigned long 
 	nodemask_t nodes;
 	int err;
 
+	printk(KERN_ERR "sys_mbind\n");
 	err = get_nodes(&nodes, nmask, maxnode);
 	if (err)
 		return err;
Index: linux-2.6.14-mm2/Makefile
===================================================================
--- linux-2.6.14-mm2.orig/Makefile	2005-11-11 12:26:58.000000000 -0800
+++ linux-2.6.14-mm2/Makefile	2005-11-11 13:48:35.000000000 -0800
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 14
-EXTRAVERSION =-mm2
+EXTRAVERSION =-mm2-mig
 NAME=Affluent Albatross
 
 # *DOCUMENTATION*
Index: linux-2.6.14-mm2/mm/vmscan.c
===================================================================
--- linux-2.6.14-mm2.orig/mm/vmscan.c	2005-11-11 13:48:35.000000000 -0800
+++ linux-2.6.14-mm2/mm/vmscan.c	2005-11-11 13:48:35.000000000 -0800
@@ -769,6 +769,7 @@ int migrate_page_remove_references(struc
 	__put_page(page);
 	write_unlock_irq(&mapping->tree_lock);
 
+
 	return 0;
 }
 EXPORT_SYMBOL(migrate_page_remove_references);
@@ -862,6 +863,7 @@ int migrate_pages(struct list_head *from
 	int swapwrite = current->flags & PF_SWAPWRITE;
 	int rc = 0;
 
+	printk(KERN_ERR "migrate pages\n");
 	if (!swapwrite)
 		current->flags |= PF_SWAPWRITE;
 
Index: linux-2.6.14-mm2/mm/rmap.c
===================================================================
--- linux-2.6.14-mm2.orig/mm/rmap.c	2005-11-11 13:48:35.000000000 -0800
+++ linux-2.6.14-mm2/mm/rmap.c	2005-11-11 13:48:35.000000000 -0800
@@ -587,6 +587,7 @@ static int try_to_unmap_one(struct page 
 			spin_unlock(&mmlist_lock);
 		}
 		set_pte_at(mm, address, pte, swp_entry_to_pte(entry));
+		printk(KERN_ERR "swap pte installed at %p %ld %p\n", page, address, pte);
 		BUG_ON(pte_file(*pte));
 		dec_mm_counter(mm, anon_rss);
 	} else