| Server IP : 13.213.54.232 / Your IP : 216.73.216.30 Web Server : Apache/2.4.52 (Ubuntu) System : Linux ip-172-31-17-110 6.8.0-1029-aws #31~22.04.1-Ubuntu SMP Thu Apr 24 21:16:18 UTC 2025 x86_64 User : www-data ( 33) PHP Version : 7.1.33-67+ubuntu22.04.1+deb.sury.org+1 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /lib/modules/6.8.0-1029-aws/build/include/linux/ |
Upload File : |
/* 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_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 */