Quoting Oren Laadan (or...@librato.com):
> Now we can do "external" checkpoint, i.e. act on another task.
...
> long do_checkpoint(struct ckpt_ctx *ctx, pid_t pid)
> {
> long ret;
>
> + ret = init_checkpoint_ctx(ctx, pid);
> + if (ret < 0)
> + return ret;
> +
> + if (ctx->root_freezer) {
> + ret = cgroup_freezer_begin_checkpoint(ctx->root_freezer);
> + if (ret < 0)
> + return ret;
> + }
Self-checkpoint of a task in root freezer is now denied, though.
Was that intentional?
-serge
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