diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-02-27 17:42:40 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-03-04 17:01:23 -0800 |
| commit | 7c33b8c4229af19797c78de48827ca70228c1f47 (patch) | |
| tree | 15ad5d9a31cac443f63e93bf9db6b11eb68bba23 /mm/swap.c | |
| parent | 4882c80975e2bf7241a5b043eb1dbe8df2726a29 (diff) | |
mm: remove use of folio list from folios_put()
Instead of putting the interesting folios on a list, delete the
uninteresting one from the folio_batch.
Link: https://lkml.kernel.org/r/20240227174254.710559-7-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/swap.c')
| -rw-r--r-- | mm/swap.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/mm/swap.c b/mm/swap.c index 1cfb7b897ebd..ee8b131bf32c 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -961,12 +961,11 @@ void lru_cache_disable(void) */ void folios_put_refs(struct folio_batch *folios, unsigned int *refs) { - int i; - LIST_HEAD(pages_to_free); + int i, j; struct lruvec *lruvec = NULL; unsigned long flags = 0; - for (i = 0; i < folios->nr; i++) { + for (i = 0, j = 0; i < folios->nr; i++) { struct folio *folio = folios->folios[i]; unsigned int nr_refs = refs ? refs[i] : 1; @@ -1016,14 +1015,20 @@ void folios_put_refs(struct folio_batch *folios, unsigned int *refs) count_vm_event(UNEVICTABLE_PGCLEARED); } - list_add(&folio->lru, &pages_to_free); + if (j != i) + folios->folios[j] = folio; + j++; } if (lruvec) unlock_page_lruvec_irqrestore(lruvec, flags); + if (!j) { + folio_batch_reinit(folios); + return; + } - mem_cgroup_uncharge_list(&pages_to_free); - free_unref_page_list(&pages_to_free); - folio_batch_reinit(folios); + folios->nr = j; + mem_cgroup_uncharge_folios(folios); + free_unref_folios(folios); } EXPORT_SYMBOL(folios_put_refs); |