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Message-ID: <b7adcefb-1e49-79f0-33e0-c84c82e6ed95@intel.com>
Date:   Tue, 11 Jul 2023 13:19:22 +0800
From:   "Yin, Fengwei" <fengwei.yin@...el.com>
To:     John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>
CC:     <linux-arch@...r.kernel.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, Mike Rapoport <rppt@...nel.org>,
        "Yoshinori Sato" <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>, <linux-sh@...r.kernel.org>
Subject: Re: [PATCH v5 24/38] sh: Implement the new page table range API



On 7/11/2023 12:00 PM, John Paul Adrian Glaubitz wrote:
> What's the best way to test this? Just build Andrew's kernel?
I didn't see the patchset shown on:
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/log/?h=mm-unstable
yet. I believe the patchset will be in mm-unstable soon.

>From the cover letter:
The point of all this is better performance, and Fengwei Yin has
measured improvement on x86.  I suspect you'll see improvement on
your architecture too.  Try the new will-it-scale test mentioned here:
https://lore.kernel.org/linux-mm/20230206140639.538867-5-fengwei.yin@intel.com/
You'll need to run it on an XFS filesystem and have
CONFIG_TRANSPARENT_HUGEPAGE set.

It's for performance testing. For functionality, I used:
   - System boot/reboot.
   - Using browser to access internet, Thunderbird to check email.
   - Build kernel.


Regards
Yin, Fengwei

> 
> I would like to give it a go on my SH7785LCR to be sure nothing breaks.

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