enum mpol_rebind_step step);
} mpol_ops[MPOL_MAX];
-/* Check that the nodemask contains at least one populated zone */
-static int is_valid_nodemask(const nodemask_t *nodemask)
-{
- return nodes_intersects(*nodemask, node_states[N_MEMORY]);
-}
-
static inline int mpol_store_user_nodemask(const struct mempolicy *pol)
{
return pol->flags & MPOL_MODE_FLAGS;
static int mpol_new_bind(struct mempolicy *pol, const nodemask_t *nodes)
{
- if (!is_valid_nodemask(nodes))
+ if (nodes_empty(*nodes))
return -EINVAL;
pol->v.nodes = *nodes;
return 0;
nodes = NULL; /* explicit local allocation */
else {
if (pol->flags & MPOL_F_RELATIVE_NODES)
- mpol_relative_nodemask(&nsc->mask2, nodes,&nsc->mask1);
+ mpol_relative_nodemask(&nsc->mask2, nodes, &nsc->mask1);
else
nodes_and(nsc->mask2, *nodes, nsc->mask1);
down_read(&mm->mmap_sem);
- err = migrate_vmas(mm, from, to, flags);
- if (err)
- goto out;
-
/*
* Find a 'source' bit set in 'tmp' whose corresponding 'dest'
* bit in 'to' is not also set in 'tmp'. Clear the found 'source'
if (err < 0)
break;
}
-out:
up_read(&mm->mmap_sem);
if (err < 0)
return err;