On Thu, 8 Feb 2007, KAMEZAWA Hiroyuki wrote:
> @@ -162,6 +162,10 @@
> break;
> k--;
> }
> + if (!num) {
> + kfree(zl);
> + return ERR_PTR(-EINVAL);
> + }
> zl->zones[num] = NULL;
> return zl;
> }
Ok. So you are detecting a set of nodes that has nodes specified but the
zones that these nodes refer to are empty, as an error.
Should work.
> @@ -193,9 +197,11 @@
> break;
> case MPOL_BIND:
> policy->v.zonelist = bind_zonelist(nodes);
> - if (policy->v.zonelist == NULL) {
> + if (IS_ERR(policy->v.zonelist)) {
> + void *val = policy->v.zonelist;
> + policy->v.zonelist = NULL;
void *? Ahh. It takes the error code.
Looks good. But if we are really going down this road of memory-less
nodes we may want to audit the kernel for other issues.
Could you run a series of tests on that machine?
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