[PATCH v2 06/12] cpuset: initialize top_cpuset's configured masks at mount

[Li Zefan]

As we now have to support both sane_behavior and !sane_behavior,
top_cpuset's configured masks need to be initialized accordingly.

Signed-off-by: Li Zefan 
---
 kernel/cpuset.c | 19 +++
 1 file changed, 19 insertions(+)

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 360e547..5c53ba5 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2113,8 +2113,27 @@ static void cpuset_css_free(struct cgroup_subsys_state 
*css)
kfree(cs);
 }
 
+void cpuset_bind(struct cgroup_subsys_state *root_css)
+{
+   mutex_lock(_mutex);
+   mutex_lock(_mutex);
+
+   if (cgroup_sane_behavior(root_css->cgroup)) {
+   cpumask_copy(top_cpuset.cpus_allowed, cpu_possible_mask);
+   top_cpuset.mems_allowed = node_possible_map;
+   } else {
+   cpumask_copy(top_cpuset.cpus_allowed,
+top_cpuset.effective_cpus);
+   top_cpuset.mems_allowed = top_cpuset.effective_mems;
+   }
+
+   mutex_unlock(_mutex);
+   mutex_unlock(_mutex);
+}
+
 struct cgroup_subsys cpuset_subsys = {
.name = "cpuset",
+   .bind = cpuset_bind,
.css_alloc = cpuset_css_alloc,
.css_online = cpuset_css_online,
.css_offline = cpuset_css_offline,
-- 
1.8.0.2

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[PATCH v2 06/12] cpuset: initialize top_cpuset's configured masks at mount

[Li Zefan]

As we now have to support both sane_behavior and !sane_behavior,
top_cpuset's configured masks need to be initialized accordingly.

Signed-off-by: Li Zefan lize...@huawei.com
---
 kernel/cpuset.c | 19 +++
 1 file changed, 19 insertions(+)

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 360e547..5c53ba5 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2113,8 +2113,27 @@ static void cpuset_css_free(struct cgroup_subsys_state 
*css)
kfree(cs);
 }
 
+void cpuset_bind(struct cgroup_subsys_state *root_css)
+{
+   mutex_lock(cpuset_mutex);
+   mutex_lock(callback_mutex);
+
+   if (cgroup_sane_behavior(root_css-cgroup)) {
+   cpumask_copy(top_cpuset.cpus_allowed, cpu_possible_mask);
+   top_cpuset.mems_allowed = node_possible_map;
+   } else {
+   cpumask_copy(top_cpuset.cpus_allowed,
+top_cpuset.effective_cpus);
+   top_cpuset.mems_allowed = top_cpuset.effective_mems;
+   }
+
+   mutex_unlock(callback_mutex);
+   mutex_unlock(cpuset_mutex);
+}
+
 struct cgroup_subsys cpuset_subsys = {
.name = cpuset,
+   .bind = cpuset_bind,
.css_alloc = cpuset_css_alloc,
.css_online = cpuset_css_online,
.css_offline = cpuset_css_offline,
-- 
1.8.0.2

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Please read the FAQ at  http://www.tux.org/lkml/