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

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Message-ID: <ZWC8BOtPW2bWBFqh@casper.infradead.org>
Date:   Fri, 24 Nov 2023 15:06:44 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Bagas Sanjaya <bagasdotme@...il.com>, Chun Ng <chunn@...dia.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        Ankita Garg <ankitag@...dia.com>
Subject: Re: [REGRESSION]: mmap performance regression starting with k-6.1

On Fri, Nov 24, 2023 at 11:52:06AM +0000, Greg KH wrote:
> On Fri, Nov 24, 2023 at 01:04:28AM +0000, Matthew Wilcox wrote:
> > On Fri, Nov 24, 2023 at 07:15:34AM +0700, Bagas Sanjaya wrote:
> > > On Thu, Nov 23, 2023 at 03:38:18PM +0000, Matthew Wilcox wrote:
> > > > On Thu, Nov 23, 2023 at 12:07:40PM +0700, Bagas Sanjaya wrote:
> > > > > Anyway, I'm adding this regression to regzbot:
> > > > > 
> > > > > #regzbot ^introduced: v6.0..v6.1
> > > > 
> > > > this is not a regression.  close it, you idiot.
> > > > 
> > > > 
> > > 
> > > why?
> > > 
> > > Confused...
> > 
> > yes.  you're perpetually confused.  stop trying to help, you only make
> > things worse.  learn about the things you work on, or give up.
> 
> Um, is this really called for?  Bagas is trying to help track
> regressions, and if something isn't a regression like you say here, a
> simple "This is not a regression, it's already resolved in newer
> kernels" is fine.

Bagas has a long history of inappropriately attempting to "help" and due
to a lack of understanding wasting peoples time.  He's not too dissimilar
to the various wrongbots we've had over the years, including Richard B
Johnson, Markus Elfring, etc.  I've tried to help guide him towards being
a more productive contributor, but'have failed.  Mostly I ignore him now,
but when he's instructing a bot to harass me, that crosses a line.