From: Matthew Wilcox <willy@infradead.org>
To: Yin Fengwei <fengwei.yin@intel.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
kirill@shutemov.name, yuzhao@google.com, ryan.roberts@arm.com,
ying.huang@intel.com
Subject: Re: [PATCH v3 2/2] lru: allow large batched add large folio to lru list
Date: Tue, 20 Jun 2023 04:22:14 +0100 [thread overview]
Message-ID: <ZJEbZqHyyROu7UpW@casper.infradead.org> (raw)
In-Reply-To: <20230429082759.1600796-3-fengwei.yin@intel.com>
On Sat, Apr 29, 2023 at 04:27:59PM +0800, Yin Fengwei wrote:
> diff --git a/mm/swap.c b/mm/swap.c
> index 57cb01b042f6..0f8554aeb338 100644
> --- a/mm/swap.c
> +++ b/mm/swap.c
> @@ -228,8 +228,7 @@ static void folio_batch_move_lru(struct folio_batch *fbatch, move_fn_t move_fn)
> static void folio_batch_add_and_move(struct folio_batch *fbatch,
> struct folio *folio, move_fn_t move_fn)
> {
> - if (folio_batch_add(fbatch, folio) && !folio_test_large(folio) &&
> - !lru_cache_disabled())
> + if (folio_batch_add(fbatch, folio) && !lru_cache_disabled())
> return;
> folio_batch_move_lru(fbatch, move_fn);
> }
What if all you do is:
- if (folio_batch_add(fbatch, folio) && !folio_test_large(folio) &&
- !lru_cache_disabled())
+ if (folio_batch_add(fbatch, folio) && !lru_cache_disabled())
How does that perform?
next prev parent reply other threads:[~2023-06-20 3:22 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-29 8:27 [PATCH v3 0/2] Reduce lock contention related with large folio Yin Fengwei
2023-04-29 8:27 ` [PATCH v3 1/2] THP: avoid lock when check whether THP is in deferred list Yin Fengwei
2023-05-04 11:48 ` kirill
2023-05-05 1:09 ` Yin, Fengwei
2023-05-29 2:58 ` Yin Fengwei
2023-05-05 0:52 ` Huang, Ying
2023-05-05 1:09 ` Yin, Fengwei
2023-04-29 8:27 ` [PATCH v3 2/2] lru: allow large batched add large folio to lru list Yin Fengwei
2023-04-29 22:35 ` Matthew Wilcox
2023-05-01 5:52 ` Yin, Fengwei
2023-05-05 5:51 ` Yin, Fengwei
2023-05-15 2:14 ` Yin, Fengwei
2023-06-20 3:22 ` Matthew Wilcox [this message]
2023-06-20 4:39 ` Yin Fengwei
2023-06-20 8:01 ` Yin Fengwei
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