Hello, Manddep. On Tue, Jan 24, 2012 at 10:26:31AM -0800, Mandeep Singh Baines wrote: > In cgroup_attach_proc, we indirectly call find_existing_css_set 3 > times. It is an expensive call so we want to call it a minimum > of times. This patch only calls it once and stores the result so > that it can be used later on when we call cgroup_task_migrate. > > This required modifying cgroup_task_migrate to take the new css_set > (which we obtained from find_css_set) as a parameter. The nice side > effect of this is that cgroup_task_migrate is now identical for > cgroup_attach_task and cgroup_attach_proc. It also now returns a > void since it can never fail. > > Changes in V5: > * https://lkml.org/lkml/2012/1/20/344 (Tejun Heo) > * Remove css_set_refs ^^^^^^^^^^^^ > static int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader) > { > - int retval, i, group_size; > + int retval, i, group_size, css_set_refs = 0; ^^^^^^^^^^^^ Wrong patch? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
