diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup.c | 16 | ||||
| -rw-r--r-- | kernel/cgroup_freezer.c | 2 | ||||
| -rw-r--r-- | kernel/cpuset.c | 15 | ||||
| -rw-r--r-- | kernel/events/core.c | 2 | ||||
| -rw-r--r-- | kernel/sched/core.c | 4 |
5 files changed, 18 insertions, 21 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index a71f2e0..e5bfb2a 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1907,18 +1907,20 @@ struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset) EXPORT_SYMBOL_GPL(cgroup_taskset_next); /** - * cgroup_taskset_cur_cgroup - return the matching cgroup for the current task + * cgroup_taskset_cur_css - return the matching css for the current task * @tset: taskset of interest + * @subsys_id: the ID of the target subsystem * - * Return the cgroup for the current (last returned) task of @tset. This - * function must be preceded by either cgroup_taskset_first() or - * cgroup_taskset_next(). + * Return the css for the current (last returned) task of @tset for + * subsystem specified by @subsys_id. This function must be preceded by + * either cgroup_taskset_first() or cgroup_taskset_next(). */ -struct cgroup *cgroup_taskset_cur_cgroup(struct cgroup_taskset *tset) +struct cgroup_subsys_state *cgroup_taskset_cur_css(struct cgroup_taskset *tset, + int subsys_id) { - return tset->cur_cgrp; + return cgroup_css(tset->cur_cgrp, subsys_id); } -EXPORT_SYMBOL_GPL(cgroup_taskset_cur_cgroup); +EXPORT_SYMBOL_GPL(cgroup_taskset_cur_css); /** * cgroup_taskset_size - return the number of tasks in taskset diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c index 5cd2b6d..224da9a 100644 --- a/kernel/cgroup_freezer.c +++ b/kernel/cgroup_freezer.c @@ -189,7 +189,7 @@ static void freezer_attach(struct cgroup_subsys_state *new_css, * current state before executing the following - !frozen tasks may * be visible in a FROZEN cgroup and frozen tasks in a THAWED one. */ - cgroup_taskset_for_each(task, new_css->cgroup, tset) { + cgroup_taskset_for_each(task, new_css, tset) { if (!(freezer->state & CGROUP_FREEZING)) { __thaw_task(task); } else { diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 39e5217..bf69717 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -119,12 +119,6 @@ static inline struct cpuset *css_cs(struct cgroup_subsys_state *css) return css ? container_of(css, struct cpuset, css) : NULL; } -/* Retrieve the cpuset for a cgroup */ -static inline struct cpuset *cgroup_cs(struct cgroup *cgrp) -{ - return css_cs(cgroup_css(cgrp, cpuset_subsys_id)); -} - /* Retrieve the cpuset for a task */ static inline struct cpuset *task_cs(struct task_struct *task) { @@ -1459,7 +1453,7 @@ static int cpuset_can_attach(struct cgroup_subsys_state *css, (cpumask_empty(cs->cpus_allowed) || nodes_empty(cs->mems_allowed))) goto out_unlock; - cgroup_taskset_for_each(task, css->cgroup, tset) { + cgroup_taskset_for_each(task, css, tset) { /* * Kthreads which disallow setaffinity shouldn't be moved * to a new cpuset; we don't want to change their cpu @@ -1511,9 +1505,10 @@ static void cpuset_attach(struct cgroup_subsys_state *css, struct mm_struct *mm; struct task_struct *task; struct task_struct *leader = cgroup_taskset_first(tset); - struct cgroup *oldcgrp = cgroup_taskset_cur_cgroup(tset); + struct cgroup_subsys_state *oldcss = cgroup_taskset_cur_css(tset, + cpuset_subsys_id); struct cpuset *cs = css_cs(css); - struct cpuset *oldcs = cgroup_cs(oldcgrp); + struct cpuset *oldcs = css_cs(oldcss); struct cpuset *cpus_cs = effective_cpumask_cpuset(cs); struct cpuset *mems_cs = effective_nodemask_cpuset(cs); @@ -1527,7 +1522,7 @@ static void cpuset_attach(struct cgroup_subsys_state *css, guarantee_online_mems(mems_cs, &cpuset_attach_nodemask_to); - cgroup_taskset_for_each(task, css->cgroup, tset) { + cgroup_taskset_for_each(task, css, tset) { /* * can_attach beforehand should guarantee that this doesn't * fail. TODO: have a better way to handle failure here diff --git a/kernel/events/core.c b/kernel/events/core.c index 9705a0e..c199c4f 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7816,7 +7816,7 @@ static void perf_cgroup_attach(struct cgroup_subsys_state *css, { struct task_struct *task; - cgroup_taskset_for_each(task, css->cgroup, tset) + cgroup_taskset_for_each(task, css, tset) task_function_call(task, __perf_cgroup_move, task); } diff --git a/kernel/sched/core.c b/kernel/sched/core.c index cc9a492..a7122d5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7135,7 +7135,7 @@ static int cpu_cgroup_can_attach(struct cgroup_subsys_state *css, { struct task_struct *task; - cgroup_taskset_for_each(task, css->cgroup, tset) { + cgroup_taskset_for_each(task, css, tset) { #ifdef CONFIG_RT_GROUP_SCHED if (!sched_rt_can_attach(css_tg(css), task)) return -EINVAL; @@ -7153,7 +7153,7 @@ static void cpu_cgroup_attach(struct cgroup_subsys_state *css, { struct task_struct *task; - cgroup_taskset_for_each(task, css->cgroup, tset) + cgroup_taskset_for_each(task, css, tset) sched_move_task(task); } |