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mm: add kernel-doc for folio_mark_accessed()

Convert the existing documentation to kernel-doc and remove references to
pages.

Link: https://lkml.kernel.org/r/20240424191914.361554-7-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) 2024-04-24 20:19:11 +01:00 committed by Andrew Morton
parent 9cbe4954c6
commit 21db296aaf

View File

@ -447,15 +447,18 @@ static void folio_inc_refs(struct folio *folio)
}
#endif /* CONFIG_LRU_GEN */
/*
* Mark a page as having seen activity.
/**
* folio_mark_accessed - Mark a folio as having seen activity.
* @folio: The folio to mark.
*
* inactive,unreferenced -> inactive,referenced
* inactive,referenced -> active,unreferenced
* active,unreferenced -> active,referenced
* This function will perform one of the following transitions:
*
* When a newly allocated page is not yet visible, so safe for non-atomic ops,
* __SetPageReferenced(page) may be substituted for mark_page_accessed(page).
* * inactive,unreferenced -> inactive,referenced
* * inactive,referenced -> active,unreferenced
* * active,unreferenced -> active,referenced
*
* When a newly allocated folio is not yet visible, so safe for non-atomic ops,
* __folio_set_referenced() may be substituted for folio_mark_accessed().
*/
void folio_mark_accessed(struct folio *folio)
{