/* Highest zone. An specific allocation for a zone below that is not
policied. */
-enum zone_type policy_zone = ZONE_DMA;
+enum zone_type policy_zone = 0;
struct mempolicy default_policy = {
.refcnt = ATOMIC_INIT(1), /* never free it */
max++; /* space for zlcache_ptr (see mmzone.h) */
zl = kmalloc(sizeof(struct zone *) * max, GFP_KERNEL);
if (!zl)
- return NULL;
+ return ERR_PTR(-ENOMEM);
zl->zlcache_ptr = NULL;
num = 0;
/* First put in the highest zones from all nodes, then all the next
break;
k--;
}
+ if (num == 0) {
+ kfree(zl);
+ return ERR_PTR(-EINVAL);
+ }
zl->zones[num] = NULL;
return zl;
}
break;
case MPOL_BIND:
policy->v.zonelist = bind_zonelist(nodes);
- if (policy->v.zonelist == NULL) {
+ if (IS_ERR(policy->v.zonelist)) {
+ void *error_code = policy->v.zonelist;
kmem_cache_free(policy_cache, policy);
- return ERR_PTR(-ENOMEM);
+ return error_code;
}
break;
}
return 0;
}
-/* Check if a vma is migratable */
-static inline int vma_migratable(struct vm_area_struct *vma)
-{
- if (vma->vm_flags & (
- VM_LOCKED|VM_IO|VM_HUGETLB|VM_PFNMAP|VM_RESERVED))
- return 0;
- return 1;
-}
-
/*
* Check if all pages in a range are on a set of nodes.
* If pagelist != NULL then isolate pages from the LRU and
err = get_nodes(&nodes, nmask, maxnode);
if (err)
return err;
+#ifdef CONFIG_CPUSETS
+ /* Restrict the nodes to the allowed nodes in the cpuset */
+ nodes_and(nodes, nodes, current->mems_allowed);
+#endif
return do_mbind(start, len, mode, &nodes, flags);
}
* then zonelist_policy() will "FALL THROUGH" to MPOL_DEFAULT.
*/
- if (zonelist) {
+ if (!IS_ERR(zonelist)) {
/* Good - got mem - substitute new zonelist */
kfree(pol->v.zonelist);
pol->v.zonelist = zonelist;