Re: [REGRESSION]: mmap performance regression starting with k-6.1

To: Matthew Wilcox <willy@xxxxxxxxxxxxx>, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>, Linux regressions mailing list <regressions@xxxxxxxxxxxxxxx>
Subject: Re: [REGRESSION]: mmap performance regression starting with k-6.1
From: Chun Ng <chunn@xxxxxxxxxx>
Date: Sat, 25 Nov 2023 01:50:13 +0000
Accept-language: en-US
Cc: Bagas Sanjaya <bagasdotme@xxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Linux Memory Management List <linux-mm@xxxxxxxxx>, "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>, Ankita Garg <ankitag@xxxxxxxxxx>
In-reply-to: <33b55166-00a3-4947-ad4f-387ddfa2c7a4@leemhuis.info>
Msip_labels:
References: <PH7PR12MB7937B0DF19E7E8539703D0E3D6BAA@PH7PR12MB7937.namprd12.prod.outlook.com> <ZV7eHE2Fxb75oRpG@archie.me> <ZV9x6qZ5z8YTvTC4@casper.infradead.org> <ZV_rJtxdn1dU9ip0@archie.me> <ZV/2nPBs5r1nIaW4@casper.infradead.org> <2023112402-posing-dress-4bf2@gregkh> <ZWC8BOtPW2bWBFqh@casper.infradead.org> <33b55166-00a3-4947-ad4f-387ddfa2c7a4@leemhuis.info>

Thanks for everyone's reply and Liam's explanation!

References:
- [REGRESSION]: mmap performance regression starting with k-6.1
  - From: Chun Ng
- Re: [REGRESSION]: mmap performance regression starting with k-6.1
  - From: Bagas Sanjaya
- Re: [REGRESSION]: mmap performance regression starting with k-6.1
  - From: Matthew Wilcox
- Re: [REGRESSION]: mmap performance regression starting with k-6.1
  - From: Bagas Sanjaya
- Re: [REGRESSION]: mmap performance regression starting with k-6.1
  - From: Matthew Wilcox
- Re: [REGRESSION]: mmap performance regression starting with k-6.1
  - From: Greg KH
- Re: [REGRESSION]: mmap performance regression starting with k-6.1
  - From: Matthew Wilcox
- Re: [REGRESSION]: mmap performance regression starting with k-6.1
  - From: Linux regression tracking (Thorsten Leemhuis)