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cgroup: rename ->create/post_create/pre_destroy/destroy() to ->css_alloc/online/offline/free()

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Rename cgroup_subsys css lifetime related callbacks to better describe
what their roles are.  Also, update documentation.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
This commit is contained in:
Tejun Heo
2012-11-19 08:13:38 -08:00
parent b1929db42f
commit 92fb97487a
13 changed files with 130 additions and 119 deletions
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mm/hugetlb_cgroup.c
+7 -7
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@@ -77,7 +77,7 @@ static inline bool hugetlb_cgroup_have_usage(struct cgroup *cg)
return false;
}
static struct cgroup_subsys_state *hugetlb_cgroup_create(struct cgroup *cgroup)
static struct cgroup_subsys_state *hugetlb_cgroup_css_alloc(struct cgroup *cgroup)
{
int idx;
struct cgroup *parent_cgroup;
@@ -101,7 +101,7 @@ static struct cgroup_subsys_state *hugetlb_cgroup_create(struct cgroup *cgroup)
return &h_cgroup->css;
}
static void hugetlb_cgroup_destroy(struct cgroup *cgroup)
static void hugetlb_cgroup_css_free(struct cgroup *cgroup)
{
struct hugetlb_cgroup *h_cgroup;
@@ -155,7 +155,7 @@ out:
* Force the hugetlb cgroup to empty the hugetlb resources by moving them to
* the parent cgroup.
*/
static void hugetlb_cgroup_pre_destroy(struct cgroup *cgroup)
static void hugetlb_cgroup_css_offline(struct cgroup *cgroup)
{
struct hstate *h;
struct page *page;
@@ -404,8 +404,8 @@ void hugetlb_cgroup_migrate(struct page *oldhpage, struct page *newhpage)
struct cgroup_subsys hugetlb_subsys = {
.name = "hugetlb",
.create = hugetlb_cgroup_create,
.pre_destroy = hugetlb_cgroup_pre_destroy,
.destroy = hugetlb_cgroup_destroy,
.subsys_id = hugetlb_subsys_id,
.css_alloc = hugetlb_cgroup_css_alloc,
.css_offline = hugetlb_cgroup_css_offline,
.css_free = hugetlb_cgroup_css_free,
.subsys_id = hugetlb_subsys_id,
};