mm: make folio_test_idle and folio_test_young take a const argument

If these functions are defined in page-flags.h, they already take a const
argument; make it true for these alternate definitions too.

Link: https://lkml.kernel.org/r/20240326171045.410737-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-03-26 17:10:26 +00:00 committed by Andrew Morton
parent 6e65aa55cd
commit e3089fd0b0

View File

@ -13,7 +13,7 @@
* 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)
static inline bool folio_test_young(const struct folio *folio)
{
struct page_ext *page_ext = page_ext_get(&folio->page);
bool page_young;
@ -52,7 +52,7 @@ static inline bool folio_test_clear_young(struct folio *folio)
return page_young;
}
static inline bool folio_test_idle(struct folio *folio)
static inline bool folio_test_idle(const struct folio *folio)
{
struct page_ext *page_ext = page_ext_get(&folio->page);
bool page_idle;
@ -60,7 +60,7 @@ static inline bool folio_test_idle(struct folio *folio)
if (unlikely(!page_ext))
return false;
page_idle = test_bit(PAGE_EXT_IDLE, &page_ext->flags);
page_idle = test_bit(PAGE_EXT_IDLE, &page_ext->flags);
page_ext_put(page_ext);
return page_idle;
@ -91,7 +91,7 @@ static inline void folio_clear_idle(struct folio *folio)
#else /* !CONFIG_PAGE_IDLE_FLAG */
static inline bool folio_test_young(struct folio *folio)
static inline bool folio_test_young(const struct folio *folio)
{
return false;
}
@ -105,7 +105,7 @@ static inline bool folio_test_clear_young(struct folio *folio)
return false;
}
static inline bool folio_test_idle(struct folio *folio)
static inline bool folio_test_idle(const struct folio *folio)
{
return false;
}