hugetlb_cgroup_init

Name:hugetlb_cgroup_init

Proto:static void hugetlb_cgroup_init(struct hugetlb_cgroup *h_cgroup, struct hugetlb_cgroup *parent_h_cgroup)

Type:void

Parameter:

Type	Parameter	Name
struct hugetlb_cgroup *	h_cgroup
struct hugetlb_cgroup *	parent_h_cgroup

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When idx < HUGE_MAX_HSTATE cycle

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counter = * the counter to account for hugepages from hugetlb.[idx]

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struct page_counter * parent = NULL

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If parent_h_cgroup Then parent = * the counter to account for hugepages from hugetlb.[idx]

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page_counter_init(counter, parent)

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limit = und_down - round down to next specified power of 2*@x: the value to round*@y: multiple to round down to (must be a power of 2)* Rounds @x down to next multiple of @y (which must be a power of 2).* To perform arbitrary rounding down, use rounddown() below.(PAGE_COUNTER_MAX, 1 << huge_page_order( & hstates[idx]))

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ret = page_counter_set_max - set the maximum number of pages allowed*@counter: counter*@nr_pages: limit to set* Returns 0 on success, -EBUSY if the current number of pages on the* counter already exceeds the specified limit.

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**Caller**
Name	Describe
hugetlb_cgroup_css_alloc

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