diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-02-27 17:42:41 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-03-04 17:01:24 -0800 |
| commit | 24835f899c0129a4733e899e4da20e2e72f40bd9 (patch) | |
| tree | 863a8d009b19e991e37445da166fb2a4ec48349c /mm | |
| parent | 7c33b8c4229af19797c78de48827ca70228c1f47 (diff) | |
| download | linux-24835f899c0129a4733e899e4da20e2e72f40bd9.tar.gz | |
mm: use free_unref_folios() in put_pages_list()
Break up the list of folios into batches here so that the folios are more
likely to be cache hot when doing the rest of the processing.
Link: https://lkml.kernel.org/r/20240227174254.710559-8-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/swap.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/mm/swap.c b/mm/swap.c index ee8b131bf32cf1..ad3f2e9448a4cd 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -138,22 +138,25 @@ EXPORT_SYMBOL(__folio_put); */ void put_pages_list(struct list_head *pages) { - struct folio *folio, *next; + struct folio_batch fbatch; + struct folio *folio; - list_for_each_entry_safe(folio, next, pages, lru) { - if (!folio_put_testzero(folio)) { - list_del(&folio->lru); + folio_batch_init(&fbatch); + list_for_each_entry(folio, pages, lru) { + if (!folio_put_testzero(folio)) continue; - } if (folio_test_large(folio)) { - list_del(&folio->lru); __folio_put_large(folio); continue; } /* LRU flag must be clear because it's passed using the lru */ + if (folio_batch_add(&fbatch, folio) > 0) + continue; + free_unref_folios(&fbatch); } - free_unref_page_list(pages); + if (fbatch.nr) + free_unref_folios(&fbatch); INIT_LIST_HEAD(pages); } EXPORT_SYMBOL(put_pages_list); |