linux-kernel - Re: [RFC PATCH v1 0/4] Control folio sizes used for page cache memory

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Message-ID: <873458zzg9.fsf@linux.intel.com>
Date: Wed, 17 Dec 2025 11:21:42 -0800
From: Andi Kleen <ak@...nel.org>
To: Ryan Roberts <ryan.roberts@....com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,  Hugh Dickins
 <hughd@...gle.com>,  Jonathan Corbet <corbet@....net>,  "Matthew Wilcox
 (Oracle)" <willy@...radead.org>,  David Hildenbrand <david@...hat.com>,
  Barry Song <baohua@...nel.org>,  Lance Yang <ioworker0@...il.com>,
  Baolin Wang <baolin.wang@...ux.alibaba.com>,  Gavin Shan
 <gshan@...hat.com>,  Pankaj Raghav <kernel@...kajraghav.com>,  Daniel
 Gomez <da.gomez@...sung.com>,  linux-kernel@...r.kernel.org,
  linux-mm@...ck.org
Subject: Re: [RFC PATCH v1 0/4] Control folio sizes used for page cache memory

Ryan Roberts <ryan.roberts@....com> writes:

> Hi All,
>
> This series is an RFC that adds sysfs and kernel cmdline controls to configure
> the set of allowed large folio sizes that can be used when allocating
> file-memory for the page cache. As part of the control mechanism, it provides
> for a special-case "preferred folio size for executable mappings" marker.
>
> I'm trying to solve 2 separate problems with this series:
>

What happened to this patchkit? I was looking into how to efficiently
get larger pages for text transparently, and there doesn't seem
to be anything better than such a heuristic?

Thanks,
-Andi