diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-27 10:34:19 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-27 10:34:19 -0300 |
commit | 1c29f4306f557ef5d9ed515ec8881f4d1735b058 (patch) | |
tree | 1359b9f8403af67e35bbbaae36e2b60c9bb3d2da /kernel/cpuset.c | |
parent | 5b465b045af3a649a89b8a5c5bfdece20ffc0345 (diff) |
Linux-libre 4.7.5-gnupck-4.7.5-gnu
Diffstat (limited to 'kernel/cpuset.c')
-rw-r--r-- | kernel/cpuset.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 73e93e538..40b6ed559 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -2078,6 +2078,20 @@ static void cpuset_bind(struct cgroup_subsys_state *root_css) mutex_unlock(&cpuset_mutex); } +/* + * Make sure the new task conform to the current state of its parent, + * which could have been changed by cpuset just after it inherits the + * state from the parent and before it sits on the cgroup's task list. + */ +void cpuset_fork(struct task_struct *task) +{ + if (task_css_is_root(task, cpuset_cgrp_id)) + return; + + set_cpus_allowed_ptr(task, ¤t->cpus_allowed); + task->mems_allowed = current->mems_allowed; +} + struct cgroup_subsys cpuset_cgrp_subsys = { .css_alloc = cpuset_css_alloc, .css_online = cpuset_css_online, @@ -2088,6 +2102,7 @@ struct cgroup_subsys cpuset_cgrp_subsys = { .attach = cpuset_attach, .post_attach = cpuset_post_attach, .bind = cpuset_bind, + .fork = cpuset_fork, .legacy_cftypes = files, .early_init = true, }; |