@@ -670,6 +670,12 @@ static __always_inline bool PageAnon(struct page *page)
return folio_test_anon(page_folio(page));
}
+static __always_inline bool __folio_test_movable(const struct folio *folio)
+{
+ return ((unsigned long)folio->mapping & PAGE_MAPPING_FLAGS) ==
+ PAGE_MAPPING_MOVABLE;
+}
+
static __always_inline int __PageMovable(struct page *page)
{
return ((unsigned long)page->mapping & PAGE_MAPPING_FLAGS) ==
@@ -1987,7 +1987,7 @@ static unsigned int shrink_page_list(struct list_head *page_list,
}
unsigned int reclaim_clean_pages_from_list(struct zone *zone,
- struct list_head *page_list)
+ struct list_head *folio_list)
{
struct scan_control sc = {
.gfp_mask = GFP_KERNEL,
@@ -1995,16 +1995,16 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone,
};
struct reclaim_stat stat;
unsigned int nr_reclaimed;
- struct page *page, *next;
- LIST_HEAD(clean_pages);
+ struct folio *folio, *next;
+ LIST_HEAD(clean_folios);
unsigned int noreclaim_flag;
- list_for_each_entry_safe(page, next, page_list, lru) {
- if (!PageHuge(page) && page_is_file_lru(page) &&
- !PageDirty(page) && !__PageMovable(page) &&
- !PageUnevictable(page)) {
- ClearPageActive(page);
- list_move(&page->lru, &clean_pages);
+ list_for_each_entry_safe(folio, next, folio_list, lru) {
+ if (!folio_test_hugetlb(folio) && folio_is_file_lru(folio) &&
+ !folio_test_dirty(folio) && !__folio_test_movable(folio) &&
+ !folio_test_unevictable(folio)) {
+ folio_clear_active(folio);
+ list_move(&folio->lru, &clean_folios);
}
}
@@ -2015,11 +2015,11 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone,
* change in the future.
*/
noreclaim_flag = memalloc_noreclaim_save();
- nr_reclaimed = shrink_page_list(&clean_pages, zone->zone_pgdat, &sc,
+ nr_reclaimed = shrink_page_list(&clean_folios, zone->zone_pgdat, &sc,
&stat, true);
memalloc_noreclaim_restore(noreclaim_flag);
- list_splice(&clean_pages, page_list);
+ list_splice(&clean_folios, folio_list);
mod_node_page_state(zone->zone_pgdat, NR_ISOLATED_FILE,
-(long)nr_reclaimed);
/*
This is a straightforward conversion which removes several hidden calls to compound_head, saving 330 bytes of kernel text. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- include/linux/page-flags.h | 6 ++++++ mm/vmscan.c | 22 +++++++++++----------- 2 files changed, 17 insertions(+), 11 deletions(-)