diff options
| author |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-09-02 20:46:01 +0100 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:02:45 -0700 |
| commit | 681ecf6301786cb06942b57f0ef7103b07ae6813 (patch) | |
| tree | 6b71119ff4c43fcf44ca4b42eecb98980bdd1d92 | |
| parent | mm: add split_folio() (diff) | |
| download | linux-dev-681ecf6301786cb06942b57f0ef7103b07ae6813.tar.xz linux-dev-681ecf6301786cb06942b57f0ef7103b07ae6813.zip | |
mm: add folio_add_lru_vma()
Convert lru_cache_add_inactive_or_unevictable() to folio_add_lru_vma()
and add a compatibility wrapper.
Link: https://lkml.kernel.org/r/20220902194653.1739778-6-willy@infradead.org
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/swap.h | 10 | ||||
| -rw-r--r-- | mm/folio-compat.c | 6 | ||||
| -rw-r--r-- | mm/swap.c | 19 |
3 files changed, 20 insertions, 15 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 6308150b234a..2ede1e3695d9 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -379,11 +379,11 @@ extern unsigned long totalreserve_pages; /* linux/mm/swap.c */ -extern void lru_note_cost(struct lruvec *lruvec, bool file, - unsigned int nr_pages); -extern void lru_note_cost_folio(struct folio *); -extern void folio_add_lru(struct folio *); -extern void lru_cache_add(struct page *); +void lru_note_cost(struct lruvec *lruvec, bool file, unsigned int nr_pages); +void lru_note_cost_folio(struct folio *); +void folio_add_lru(struct folio *); +void folio_add_lru_vma(struct folio *, struct vm_area_struct *); +void lru_cache_add(struct page *); void mark_page_accessed(struct page *); void folio_mark_accessed(struct folio *); diff --git a/mm/folio-compat.c b/mm/folio-compat.c index 458618c7302c..e1e23b4947d7 100644 --- a/mm/folio-compat.c +++ b/mm/folio-compat.c @@ -88,6 +88,12 @@ void lru_cache_add(struct page *page) } EXPORT_SYMBOL(lru_cache_add); +void lru_cache_add_inactive_or_unevictable(struct page *page, + struct vm_area_struct *vma) +{ + folio_add_lru_vma(page_folio(page), vma); +} + int add_to_page_cache_lru(struct page *page, struct address_space *mapping, pgoff_t index, gfp_t gfp) { diff --git a/mm/swap.c b/mm/swap.c index 0a3871a70952..955930f41d20 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -537,22 +537,21 @@ void folio_add_lru(struct folio *folio) EXPORT_SYMBOL(folio_add_lru); /** - * lru_cache_add_inactive_or_unevictable - * @page: the page to be added to LRU - * @vma: vma in which page is mapped for determining reclaimability + * folio_add_lru_vma() - Add a folio to the appropate LRU list for this VMA. + * @folio: The folio to be added to the LRU. + * @vma: VMA in which the folio is mapped. * - * Place @page on the inactive or unevictable LRU list, depending on its - * evictability. + * If the VMA is mlocked, @folio is added to the unevictable list. + * Otherwise, it is treated the same way as folio_add_lru(). */ -void lru_cache_add_inactive_or_unevictable(struct page *page, - struct vm_area_struct *vma) +void folio_add_lru_vma(struct folio *folio, struct vm_area_struct *vma) { - VM_BUG_ON_PAGE(PageLRU(page), page); + VM_BUG_ON_FOLIO(folio_test_lru(folio), folio); if (unlikely((vma->vm_flags & (VM_LOCKED | VM_SPECIAL)) == VM_LOCKED)) - mlock_new_page(page); + mlock_new_page(&folio->page); else - lru_cache_add(page); + folio_add_lru(folio); } /* |