On Tue, 6 Feb 2007, KAMEZAWA Hiroyuki wrote:
> This means an access to NULL,here.
> ==
> unsigned slab_node(struct mempolicy *policy)
> {
> case MPOL_BIND:
> /*
> * Follow bind policy behavior and start allocation at the
> * first node.
> */
> return zone_to_nid(policy->v.zonelist->zones[0]);
> }
> ==
> length of this zonelist was 0.
> It seems fixing a NULL access here is also O.K.
> This patch is just an idea.
Hmmm... Remove the node from the node_online_map instead?
> }
> - return nodes_subset(*nodes, node_online_map) ? 0 : -EINVAL;
> + nodes_clear(node_with_memory);
> + for_each_online_node(nd) {
> + if (node_present_pages(nd))
> + node_set(nd, node_with_memory);
> + }
> + return nodes_subset(*nodes, node_with_memory) ? 0 : -EINVAL;
> }
Uhh. No loops here please. If we really need this then we need to have
some sort of set operation here.
-
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