linux-kernel - Re: [PATCH] mm: huge_memory: don't force huge page alignment on 32 bit

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Date: Mon, 12 Feb 2024 14:45:04 +0100
From: Thorsten Leemhuis <regressions@...mhuis.info>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: jirislaby@...nel.org, surenb@...gle.com, riel@...riel.com,
 willy@...radead.org, cl@...ux.com, akpm@...ux-foundation.org,
 Linux kernel regressions list <regressions@...ts.linux.dev>,
 yang@...amperecomputing.com, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org, "stable@...r.kernel.org"
 <stable@...r.kernel.org>, Sasha Levin <sashal@...nel.org>,
 Yang Shi <shy828301@...il.com>
Subject: Re: [PATCH] mm: huge_memory: don't force huge page alignment on 32
 bit

Hey Greg, is below mail still in your queue of linux-stable mails to
process? If so please apologize this interruption and just ignore this
mail. I just started to wonder if it might have fallen through the
cracks somehow, as I've seen you updating stable-queue.git for 6.7.y,
but it's still missing this patch (and the other one mentioned) --
that's why I decided to write this quick status inquiry.

Ciao, Thorsten

On 05.02.24 18:53, Linux regression tracking (Thorsten Leemhuis) wrote:
> [adding the stable team]
> 
> On 05.02.24 18:07, Yang Shi wrote:
>> On Sat, Feb 3, 2024 at 1:24 AM Thorsten Leemhuis
>> <regressions@...mhuis.info> wrote:
>>> On 18.01.24 14:35, Yang Shi wrote:
>>>>
>>>> The commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP
>>>> boundaries") caused two issues [1] [2] reported on 32 bit system or compat
>>>> userspace.
> [...]
>>> [FWIW, this is now 4ef9ad19e17676 ("mm: huge_memory: don't force huge
>>> page alignment on 32 bit") in mainline]
>>>
>>> Quick question: it it okay to ask Greg to pick this up for linux-6.7.y
>>> series?
>>
>> Yes, definitely. Thanks for following up.
> 
> In that case: Greg, could you please consider picking up 4ef9ad19e17676
> ("mm: huge_memory: don't force huge page alignment on 32 bit") for the
> next linux-6.7 rc round? tia!
> 
> Ohh, and btw: you might also want to pick up c4608d1bf7c653 ("mm: mmap:
> map MAP_STACK to VM_NOHUGEPAGE") if you haven't already done so: its
> stable tag contains a typo, hence I guess your scripts might have missed
> it (I only noticed that by chance).
> 
> Ciao, Thorsten