Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/linux/page_idle.h
Назад
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_MM_PAGE_IDLE_H #define _LINUX_MM_PAGE_IDLE_H #include <linux/bitops.h> #include <linux/page-flags.h> #include <linux/page_ext.h> #ifdef CONFIG_IDLE_PAGE_TRACKING #ifdef CONFIG_64BIT static inline bool page_is_young(struct page *page) { return PageYoung(page); } static inline void set_page_young(struct page *page) { SetPageYoung(page); } static inline bool test_and_clear_page_young(struct page *page) { return TestClearPageYoung(page); } static inline bool page_is_idle(struct page *page) { return PageIdle(page); } static inline void set_page_idle(struct page *page) { SetPageIdle(page); } static inline void clear_page_idle(struct page *page) { ClearPageIdle(page); } #else /* !CONFIG_64BIT */ /* * If there is not enough space to store Idle and Young bits in page flags, use * page ext flags instead. */ extern struct page_ext_operations page_idle_ops; static inline bool page_is_young(struct page *page) { struct page_ext *page_ext = lookup_page_ext(page); if (unlikely(!page_ext)) return false; return test_bit(PAGE_EXT_YOUNG, &page_ext->flags); } static inline void set_page_young(struct page *page) { struct page_ext *page_ext = lookup_page_ext(page); if (unlikely(!page_ext)) return; set_bit(PAGE_EXT_YOUNG, &page_ext->flags); } static inline bool test_and_clear_page_young(struct page *page) { struct page_ext *page_ext = lookup_page_ext(page); if (unlikely(!page_ext)) return false; return test_and_clear_bit(PAGE_EXT_YOUNG, &page_ext->flags); } static inline bool page_is_idle(struct page *page) { struct page_ext *page_ext = lookup_page_ext(page); if (unlikely(!page_ext)) return false; return test_bit(PAGE_EXT_IDLE, &page_ext->flags); } static inline void set_page_idle(struct page *page) { struct page_ext *page_ext = lookup_page_ext(page); if (unlikely(!page_ext)) return; set_bit(PAGE_EXT_IDLE, &page_ext->flags); } static inline void clear_page_idle(struct page *page) { struct page_ext *page_ext = lookup_page_ext(page); if (unlikely(!page_ext)) return; clear_bit(PAGE_EXT_IDLE, &page_ext->flags); } #endif /* CONFIG_64BIT */ #else /* !CONFIG_IDLE_PAGE_TRACKING */ static inline bool page_is_young(struct page *page) { return false; } static inline void set_page_young(struct page *page) { } static inline bool test_and_clear_page_young(struct page *page) { return false; } static inline bool page_is_idle(struct page *page) { return false; } static inline void set_page_idle(struct page *page) { } static inline void clear_page_idle(struct page *page) { } #endif /* CONFIG_IDLE_PAGE_TRACKING */ #endif /* _LINUX_MM_PAGE_IDLE_H */
| ver. 1.4 |
Github
|
.
| PHP 7.4.3-4ubuntu2.24 | Генерация страницы: 0 |
proxy
|
phpinfo
|
Настройка