From: Shakeel Butt <shakeel.butt@linux.dev>
To: Dmitry Ilvokhin <d@ilvokhin.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@redhat.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>, Hugh Dickins <hughd@google.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Kiryl Shutsemau <kas@kernel.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
kernel-team@meta.com
Subject: Re: [PATCH] mm: shmem/tmpfs hugepage defaults config choice
Date: Thu, 23 Oct 2025 14:26:00 -0700 [thread overview]
Message-ID: <qjqtaukb3yw36eiwktayyv4zhihgz32yy2yolpqvxn5yaeuo3i@fvznetjxhker> (raw)
In-Reply-To: <aPpv8sAa2sYgNu3L@shell.ilvokhin.com>
On Thu, Oct 23, 2025 at 06:12:02PM +0000, Dmitry Ilvokhin wrote:
> Allow to override defaults for shemem and tmpfs at config time. This is
> consistent with how transparent hugepages can be configured.
>
> Same results can be achieved with the existing
> 'transparent_hugepage_shmem' and 'transparent_hugepage_tmpfs' settings
> in the kernel command line, but it is more convenient to define basic
> settings at config time instead of changing kernel command line later.
>
> Defaults for shmem and tmpfs were not changed. They are remained the
> same as before: 'never' for both cases. Options 'deny' and 'force' are
> omitted intentionally since these are special values and supposed to be
> used for emergencies or testing and are not expected to be permanent
> ones.
>
> Signed-off-by: Dmitry Ilvokhin <d@ilvokhin.com>
This looks good. I would recommend to also update
Documentation/admin-guide/mm/transhuge.rst with this build config
information.
next prev parent reply other threads:[~2025-10-23 21:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-23 18:12 Dmitry Ilvokhin
2025-10-23 21:26 ` Shakeel Butt [this message]
2025-10-24 1:40 ` Baolin Wang
2025-10-24 7:38 ` Michal Hocko
2025-10-24 11:19 ` Dmitry Ilvokhin
2025-10-24 11:57 ` Michal Hocko
2025-10-26 4:29 ` Andrew Morton
2025-10-24 20:35 ` Matthew Wilcox
2025-10-27 16:23 ` Dmitry Ilvokhin
2025-10-27 16:26 ` David Hildenbrand
2025-10-26 12:12 ` Yafang Shao
2025-10-27 15:43 ` Dmitry Ilvokhin
2025-10-24 19:54 ` Lorenzo Stoakes
2025-10-24 20:27 ` Pedro Falcato
2025-10-27 15:00 ` Dmitry Ilvokhin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=qjqtaukb3yw36eiwktayyv4zhihgz32yy2yolpqvxn5yaeuo3i@fvznetjxhker \
--to=shakeel.butt@linux.dev \
--cc=Liam.Howlett@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=baolin.wang@linux.alibaba.com \
--cc=d@ilvokhin.com \
--cc=david@redhat.com \
--cc=hughd@google.com \
--cc=kas@kernel.org \
--cc=kernel-team@meta.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=mhocko@suse.com \
--cc=rppt@kernel.org \
--cc=surenb@google.com \
--cc=vbabka@suse.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox