Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/linux/hugetlb_cgroup.h
Назад
/* * Copyright IBM Corporation, 2012 * Author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2.1 of the GNU Lesser General Public License * as published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * */ #ifndef _LINUX_HUGETLB_CGROUP_H #define _LINUX_HUGETLB_CGROUP_H #include <linux/mmdebug.h> struct hugetlb_cgroup; /* * Minimum page order trackable by hugetlb cgroup. * At least 3 pages are necessary for all the tracking information. */ #define HUGETLB_CGROUP_MIN_ORDER 2 #ifdef CONFIG_CGROUP_HUGETLB static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page) { VM_BUG_ON_PAGE(!PageHuge(page), page); if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER) return NULL; return (struct hugetlb_cgroup *)page[2].private; } static inline int set_hugetlb_cgroup(struct page *page, struct hugetlb_cgroup *h_cg) { VM_BUG_ON_PAGE(!PageHuge(page), page); if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER) return -1; page[2].private = (unsigned long)h_cg; return 0; } static inline bool hugetlb_cgroup_disabled(void) { return !cgroup_subsys_enabled(hugetlb_cgrp_subsys); } extern int hugetlb_cgroup_charge_cgroup(int idx, unsigned long nr_pages, struct hugetlb_cgroup **ptr); extern void hugetlb_cgroup_commit_charge(int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg, struct page *page); extern void hugetlb_cgroup_uncharge_page(int idx, unsigned long nr_pages, struct page *page); extern void hugetlb_cgroup_uncharge_cgroup(int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg); extern void hugetlb_cgroup_file_init(void) __init; extern void hugetlb_cgroup_migrate(struct page *oldhpage, struct page *newhpage); #else static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page) { return NULL; } static inline int set_hugetlb_cgroup(struct page *page, struct hugetlb_cgroup *h_cg) { return 0; } static inline bool hugetlb_cgroup_disabled(void) { return true; } static inline int hugetlb_cgroup_charge_cgroup(int idx, unsigned long nr_pages, struct hugetlb_cgroup **ptr) { return 0; } static inline void hugetlb_cgroup_commit_charge(int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg, struct page *page) { } static inline void hugetlb_cgroup_uncharge_page(int idx, unsigned long nr_pages, struct page *page) { } static inline void hugetlb_cgroup_uncharge_cgroup(int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg) { } static inline void hugetlb_cgroup_file_init(void) { } static inline void hugetlb_cgroup_migrate(struct page *oldhpage, struct page *newhpage) { } #endif /* CONFIG_MEM_RES_CTLR_HUGETLB */ #endif
| ver. 1.4 |
Github
|
.
| PHP 7.4.3-4ubuntu2.24 | Генерация страницы: 0 |
proxy
|
phpinfo
|
Настройка