hugetlb_cgroup.c File Reference

#include <linux/cgroup.h>
#include <linux/slab.h>
#include <linux/hugetlb.h>
#include <linux/hugetlb_cgroup.h>

Go to the source code of this file.

Data Structures
struct	hugetlb_cgroup

Macros
#define	MEMFILE_PRIVATE(x, val)   (((x) << 16) | (val))
#define	MEMFILE_IDX(val)   (((val) >> 16) & 0xffff)
#define	MEMFILE_ATTR(val)   ((val) & 0xffff)

Functions
int	hugetlb_cgroup_charge_cgroup (int idx, unsigned long nr_pages, struct hugetlb_cgroup **ptr)
void	hugetlb_cgroup_commit_charge (int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg, struct page *page)
void	hugetlb_cgroup_uncharge_page (int idx, unsigned long nr_pages, struct page *page)
void	hugetlb_cgroup_uncharge_cgroup (int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg)
int __init	hugetlb_cgroup_file_init (int idx)
void	hugetlb_cgroup_migrate (struct page *oldhpage, struct page *newhpage)

Variables
struct cgroup_subsys hugetlb_subsys	__read_mostly
struct cgroup_subsys	hugetlb_subsys

Macro Definition Documentation

#define MEMFILE_ATTR

(

val

)

((val) & 0xffff)

Definition at line 31 of file hugetlb_cgroup.c.

#define MEMFILE_IDX

(

val

)

(((val) >> 16) & 0xffff)

Definition at line 30 of file hugetlb_cgroup.c.

#define MEMFILE_PRIVATE	(		x,
			val
	)		(((x) << 16) | (val))

Definition at line 29 of file hugetlb_cgroup.c.

Function Documentation

int hugetlb_cgroup_charge_cgroup	(	int	idx,
		unsigned long	nr_pages,
		struct hugetlb_cgroup **	ptr
	)

Definition at line 184 of file hugetlb_cgroup.c.

void hugetlb_cgroup_commit_charge	(	int	idx,
		unsigned long	nr_pages,
		struct hugetlb_cgroup *	h_cg,
		struct page *	page
	)

Definition at line 217 of file hugetlb_cgroup.c.

int __init hugetlb_cgroup_file_init

(

int

idx

)

Definition at line 343 of file hugetlb_cgroup.c.

void hugetlb_cgroup_migrate	(	struct page *	oldhpage,
		struct page *	newhpage
	)

Definition at line 392 of file hugetlb_cgroup.c.

void hugetlb_cgroup_uncharge_cgroup	(	int	idx,
		unsigned long	nr_pages,
		struct hugetlb_cgroup *	h_cg
	)

Definition at line 248 of file hugetlb_cgroup.c.

void hugetlb_cgroup_uncharge_page	(	int	idx,
		unsigned long	nr_pages,
		struct page *	page
	)

Definition at line 231 of file hugetlb_cgroup.c.

Variable Documentation

struct hugetlb_cgroup* root_h_cgroup __read_mostly

Definition at line 33 of file hugetlb_cgroup.c.

struct cgroup_subsys hugetlb_subsys

Initial value:

= {
    .name = "hugetlb",
    .create     = hugetlb_cgroup_create,
    .pre_destroy = hugetlb_cgroup_pre_destroy,
    .destroy    = hugetlb_cgroup_destroy,
    .subsys_id  = hugetlb_subsys_id,
}

Definition at line 412 of file hugetlb_cgroup.c.