From: Muchun Song <muchun.song@linux.dev>
To: "David Hildenbrand (Arm)" <david@kernel.org>
Cc: Longlong Xia <xialonglong2025@163.com>,
osalvador@suse.de, akpm@linux-foundation.org,
mike.kravetz@oracle.com, mhocko@suse.com, linmiaohe@huawei.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Longlong Xia <xialonglong@kylinos.cn>
Subject: Re: [PATCH 1/1] mm/hugetlb: do not dissolve gigantic pages without runtime support
Date: Thu, 20 Aug 2026 17:38:58 +0800 [thread overview]
Message-ID: <F06EC17D-2A3D-43DA-968B-1DD4E1253EF7@linux.dev> (raw)
In-Reply-To: <206cb1f2-b66c-4b7b-b0ad-14cca9d8e0bd@kernel.org>
> On Aug 19, 2026, at 16:52, David Hildenbrand (Arm) <david@kernel.org> wrote:
>
> On 8/17/26 18:20, Longlong Xia wrote:
>> From: Longlong Xia <xialonglong@kylinos.cn>
>>
>> dissolve_free_hugetlb_folio() doesn't check hstate_is_gigantic_no_runtime(h)
>> though remove_hugetlb_folio()/update_and_free_hugetlb_folio() silently
>> bail for such folios
>
> That's odd. Why do they silently skip such folios instead of warning that
> something unexpected is happening?
>
> This screams for a cleanup unless I am missing something :)
Hi David,
Sashiko actually has a pretty detailed description [1]. So I think it deserves a fix.
[1] https://sashiko.dev/#/patchset/20260814083027.1419487-1-xialonglong2025@163.com
Muchun,
Thanks.
>
> --
> Cheers,
>
> David
prev parent reply other threads:[~2026-08-20 9:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-17 16:20 [PATCH 1/1] mm/hugetlb: do not dissolve gigantic pages without runtime support Longlong Xia
2026-08-18 3:26 ` Muchun Song
2026-08-19 8:52 ` David Hildenbrand (Arm)
2026-08-20 7:25 ` Longlong Xia
2026-08-20 9:38 ` Muchun Song [this message]
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