0000:00:19 *l4( (  fB- ?_I|+ /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_MM_PAGE_IDLE_H #define _LINUX_MM_PAGE_IDLE_H #include #include #include #ifdef CONFIG_PAGE_IDLE_FLAG #ifndef CONFIG_64BIT /* * If there is not enough space to store Idle and Young bits in page flags, use * page ext flags instead. */ static inline bool folio_test_young(struct folio *folio) { struct page_ext *page_ext = page_ext_get(&folio->page); bool page_young; if (unlikely(!page_ext)) return false; page_young = test_bit(PAGE_EXT_YOUNG, &page_ext->flags); page_ext_put(page_ext); return page_young; } static inline void folio_set_young(struct folio *folio) { struct page_ext *page_ext = page_ext_get(&folio->page); if (unlikely(!page_ext)) return; set_bit(PAGE_EXT_YOUNG, &page_ext->flags); page_ext_put(page_ext); } static inline bool folio_test_clear_young(struct folio *folio) { struct page_ext *page_ext = page_ext_get(&folio->page); bool page_young; if (unlikely(!page_ext)) return false; page_young = test_and_clear_bit(PAGE_EXT_YOUNG, &page_ext->flags); page_ext_put(page_ext); return page_young; } static inline bool folio_test_idle(struct folio *folio) { struct page_ext *page_ext = page_ext_get(&folio->page); bool page_idle; if (unlikely(!page_ext)) return false; page_idle = test_bit(PAGE_EXT_IDLE, &page_ext->flags); page_ext_put(page_ext); return page_idle; } static inline void folio_set_idle(struct folio *folio) { struct page_ext *page_ext = page_ext_get(&folio->page); if (unlikely(!page_ext)) return; set_bit(PAGE_EXT_IDLE, &page_ext->flags); page_ext_put(page_ext); } static inline void folio_clear_idle(struct folio *folio) { struct page_ext *page_ext = page_ext_get(&folio->page); if (unlikely(!page_ext)) return; clear_bit(PAGE_EXT_IDLE, &page_ext->flags); page_ext_put(page_ext); } #endif /* !CONFIG_64BIT */ #else /* !CONFIG_PAGE_IDLE_FLAG */ static inline bool folio_test_young(struct folio *folio) { return false; } static inline void folio_set_young(struct folio *folio) { } static inline bool folio_test_clear_young(struct folio *folio) { return false; } static inline bool folio_test_idle(struct folio *folio) { return false; } static inline void folio_set_idle(struct folio *folio) { } static inline void folio_clear_idle(struct folio *folio) { } #endif /* CONFIG_PAGE_IDLE_FLAG */ static inline bool page_is_young(struct page *page) { return folio_test_young(page_folio(page)); } static inline void set_page_young(struct page *page) { folio_set_young(page_folio(page)); } static inline bool test_and_clear_page_young(struct page *page) { return folio_test_clear_young(page_folio(page)); } static inline bool page_is_idle(struct page *page) { return folio_test_idle(page_folio(page)); } static inline void set_page_idle(struct page *page) { folio_set_idle(page_folio(page)); } #endif /* _LINUX_MM_PAGE_IDLE_H */    Index of /FSS-OZR/root/sys/dev/char/4:32/subsystem/tty37/power

Index of /FSS-OZR/root/sys/dev/char/4:32/subsystem/tty37/power

 NameLast modifiedSizeDescription
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 runtime_active_time 2026-10-11 11:59 4.0K 
 autosuspend_delay_ms 2026-10-11 11:59