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From: Matthew Wilcox <willy@infradead.org>
To: 李培锋 <lipeifeng@oppo.com>
Cc: akpm@linux-foundation.org, david@redhat.com, osalvador@suse.de,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	v-songbaohua@oppo.com, gregkh@google.com, tkjos@google.com
Subject: Re: [PATCH 0/2] Support kshrinkd
Date: Tue, 20 Feb 2024 02:55:21 +0000	[thread overview]
Message-ID: <ZdQUmWxYuuP24w_1@casper.infradead.org> (raw)
In-Reply-To: <a642d9dc-6d48-016c-7007-c08ce8933d18@oppo.com>

On Tue, Feb 20, 2024 at 10:04:33AM +0800, 李培锋 wrote:
> Monkey-test in phone with 16G-ram for 300 hours shows that almost one-third
> 
> of the contended-pages can be freed successfully next time, putting back
> those
> 
> folios to LRU's head would break the rules of inative-LRU.

You talk about "the rules of inactive LRU" like we care.  The LRU is
an approximation at best.  What are the *consequences*?  Is there a
benchmark that executes more operations per second as a result of
this patch?



  reply	other threads:[~2024-02-20  2:55 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-19 14:17 lipeifeng
2024-02-19 14:17 ` [PATCH 2/2] mm: support kshrinkd lipeifeng
2024-02-20  2:11   ` 李培锋
2024-02-20  3:19     ` Barry Song
2024-02-19 16:51 ` [PATCH 0/2] Support kshrinkd Matthew Wilcox
2024-02-20  2:04   ` 李培锋
2024-02-20  2:55     ` Matthew Wilcox [this message]
2024-02-20  4:14       ` 李培锋
     [not found] ` <20240219141703.3851-2-lipeifeng@oppo.com>
2024-02-20  1:42   ` [PATCH 1/2] mm/rmap: support folio_referenced to control if try_lock in rmap_walk 李培锋
2024-02-20  3:01     ` Barry Song
2024-02-20  4:00       ` 李培锋
2024-02-20  7:16         ` Barry Song
2024-02-20  2:09 ` [PATCH 0/2] Support kshrinkd 李培锋

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