@@ -941,8 +941,7 @@ void release_pages(struct page **pages, int nr)
unsigned int lock_batch;
for (i = 0; i < nr; i++) {
- struct page *page = pages[i];
- struct folio *folio = page_folio(page);
+ struct folio *folio = page_folio(pages[i]);
/*
* Make sure the IRQ-safe lock-holding time does not get
@@ -954,35 +953,34 @@ void release_pages(struct page **pages, int nr)
lruvec = NULL;
}
- page = &folio->page;
- if (is_huge_zero_page(page))
+ if (is_huge_zero_page(&folio->page))
continue;
- if (is_zone_device_page(page)) {
+ if (folio_is_zone_device(folio)) {
if (lruvec) {
unlock_page_lruvec_irqrestore(lruvec, flags);
lruvec = NULL;
}
- if (put_devmap_managed_page(page))
+ if (put_devmap_managed_page(&folio->page))
continue;
- if (put_page_testzero(page))
- free_zone_device_page(page);
+ if (folio_put_testzero(folio))
+ free_zone_device_page(&folio->page);
continue;
}
- if (!put_page_testzero(page))
+ if (!folio_put_testzero(folio))
continue;
- if (PageCompound(page)) {
+ if (folio_test_large(folio)) {
if (lruvec) {
unlock_page_lruvec_irqrestore(lruvec, flags);
lruvec = NULL;
}
- __put_compound_page(page);
+ __put_compound_page(&folio->page);
continue;
}
- if (PageLRU(page)) {
+ if (folio_test_lru(folio)) {
struct lruvec *prev_lruvec = lruvec;
lruvec = folio_lruvec_relock_irqsave(folio, lruvec,
@@ -990,8 +988,8 @@ void release_pages(struct page **pages, int nr)
if (prev_lruvec != lruvec)
lock_batch = 0;
- del_page_from_lru_list(page, lruvec);
- __clear_page_lru_flags(page);
+ lruvec_del_folio(lruvec, folio);
+ __folio_clear_lru_flags(folio);
}
/*
@@ -1000,13 +998,13 @@ void release_pages(struct page **pages, int nr)
* found set here. This does not indicate a problem, unless
* "unevictable_pgs_cleared" appears worryingly large.
*/
- if (unlikely(PageMlocked(page))) {
- __ClearPageMlocked(page);
- dec_zone_page_state(page, NR_MLOCK);
+ if (unlikely(folio_test_mlocked(folio))) {
+ __folio_clear_mlocked(folio);
+ zone_stat_sub_folio(folio, NR_MLOCK);
count_vm_event(UNEVICTABLE_PGCLEARED);
}
- list_add(&page->lru, &pages_to_free);
+ list_add(&folio->lru, &pages_to_free);
}
if (lruvec)
unlock_page_lruvec_irqrestore(lruvec, flags);
This function was already calling compound_head(), but now it can cache the result of calling compound_head() and avoid calling it again. Saves 299 bytes of text by avoiding various calls to compound_page() and avoiding checks of PageTail. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- mm/swap.c | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-)