linux-kernel - Re: [PATCH v2] mm: Override mTHP "enabled" defaults at kernel cmdline

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Message-ID: <190cd7eb-6881-4e6b-9d6b-e7921404ebcf@linux.alibaba.com>
Date: Fri, 9 Aug 2024 16:49:35 +0800
From: Baolin Wang <baolin.wang@...ux.alibaba.com>
To: Ryan Roberts <ryan.roberts@....com>,
 Andrew Morton <akpm@...ux-foundation.org>, Jonathan Corbet <corbet@....net>,
 David Hildenbrand <david@...hat.com>, Barry Song <baohua@...nel.org>,
 Lance Yang <ioworker0@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v2] mm: Override mTHP "enabled" defaults at kernel cmdline



On 2024/8/8 18:16, Ryan Roberts wrote:
> Add thp_anon= cmdline parameter to allow specifying the default
> enablement of each supported anon THP size. The parameter accepts the
> following format and can be provided multiple times to configure each
> size:
> 
> thp_anon=<size>[KMG]:<value>
> 
> See Documentation/admin-guide/mm/transhuge.rst for more details.
> 
> Configuring the defaults at boot time is useful to allow early user
> space to take advantage of mTHP before its been configured through
> sysfs.
> 
> Signed-off-by: Ryan Roberts <ryan.roberts@....com>

Make sense to me. Thanks.
Reviewed-by: Baolin Wang <baolin.wang@...ux.alibaba.com>