* Re: Patch "s390: select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP" has been added to the 6.1-stable tree
[not found] <20260222235114.1339059-1-sashal@kernel.org>
@ 2026-02-23 14:52 ` Gerald Schaefer
2026-02-23 19:22 ` Sasha Levin
0 siblings, 1 reply; 2+ messages in thread
From: Gerald Schaefer @ 2026-02-23 14:52 UTC (permalink / raw)
To: Sasha Levin
Cc: stable, stable-commits, Heiko Carstens, Vasily Gorbik,
Alexander Gordeev, Christian Borntraeger, Sven Schnelle
On Sun, 22 Feb 2026 18:51:14 -0500
Sasha Levin <sashal@kernel.org> wrote:
> This is a note to let you know that I've just added the patch titled
>
> s390: select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
>
> to the 6.1-stable tree which can be found at:
> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
>
> The filename of the patch is:
> s390-select-arch_want_hugetlb_page_optimize_vmemmap.patch
> and it can be found in the queue-6.1 subdirectory.
>
> If you, or anyone else, feels it should not be added to the stable tree,
> please let <stable@vger.kernel.org> know about it.
Please don't add this to any stable tree. This feature is broken on s390,
and it recently was removed upstream via commit 64e2f60f355e ("s390:
Disable ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP"), which also had a Cc: stable
and Fixes: 00a34d5a99c0.
So we'd rather want commit 64e2f60f355e added to stable v6.2+, than
adding the original commit 00a34d5a99c0 to older trees.
Thanks,
Gerald
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Patch "s390: select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP" has been added to the 6.1-stable tree
2026-02-23 14:52 ` Patch "s390: select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP" has been added to the 6.1-stable tree Gerald Schaefer
@ 2026-02-23 19:22 ` Sasha Levin
0 siblings, 0 replies; 2+ messages in thread
From: Sasha Levin @ 2026-02-23 19:22 UTC (permalink / raw)
To: Gerald Schaefer
Cc: stable, stable-commits, Heiko Carstens, Vasily Gorbik,
Alexander Gordeev, Christian Borntraeger, Sven Schnelle
On Mon, Feb 23, 2026 at 03:52:55PM +0100, Gerald Schaefer wrote:
>On Sun, 22 Feb 2026 18:51:14 -0500
>Sasha Levin <sashal@kernel.org> wrote:
>
>> This is a note to let you know that I've just added the patch titled
>>
>> s390: select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
>>
>> to the 6.1-stable tree which can be found at:
>> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
>>
>> The filename of the patch is:
>> s390-select-arch_want_hugetlb_page_optimize_vmemmap.patch
>> and it can be found in the queue-6.1 subdirectory.
>>
>> If you, or anyone else, feels it should not be added to the stable tree,
>> please let <stable@vger.kernel.org> know about it.
>
>Please don't add this to any stable tree. This feature is broken on s390,
>and it recently was removed upstream via commit 64e2f60f355e ("s390:
>Disable ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP"), which also had a Cc: stable
>and Fixes: 00a34d5a99c0.
>
>So we'd rather want commit 64e2f60f355e added to stable v6.2+, than
>adding the original commit 00a34d5a99c0 to older trees.
I'll drop the entire series from 6.1.
--
Thanks,
Sasha
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-02-23 14:52 ` Patch "s390: select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP" has been added to the 6.1-stable tree Gerald Schaefer
2026-02-23 19:22 ` Sasha Levin
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