linux-kernel - Re: [GIT PULL] slab updates for 6.17

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Message-ID: <b05d424b-fa55-4e12-a1af-7504b1be20a6@suse.cz>
Date: Wed, 30 Jul 2025 20:50:58 +0200
From: Vlastimil Babka <vbabka@...e.cz>
To: Jason Gunthorpe <jgg@...dia.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
 Harry Yoo <harry.yoo@...cle.com>, David Rientjes <rientjes@...gle.com>,
 Christoph Lameter <cl@...two.org>, Roman Gushchin
 <roman.gushchin@...ux.dev>, "linux-mm@...ck.org" <linux-mm@...ck.org>,
 LKML <linux-kernel@...r.kernel.org>, Matthew Wilcox <willy@...radead.org>,
 Pedro Falcato <pfalcato@...e.de>, Bernard Metzler
 <bernard.metzler@...ux.dev>,
 "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
 David Howells <dhowells@...hat.com>
Subject: Re: [GIT PULL] slab updates for 6.17

On 7/30/25 20:47, Jason Gunthorpe wrote:
> On Wed, Jul 30, 2025 at 11:42:21AM -0700, Linus Torvalds wrote:
>> On Mon, 28 Jul 2025 at 09:56, Vlastimil Babka <vbabka@...e.cz> wrote:
>> >
>> > We've hit a last-minute snag last week when lkp reported [1] the commit
>> > "mm, slab: use frozen pages for large kmalloc" exposed a pre-existing bug
>> > in siw_tcp_sendpages(). Pedro has been fixing it [2] so hopefully that will
>> > result in a PR soon, which you can pull before this one - or perhaps take
>> > the fix directly. If that gets stuck for some reason and taking the fix
>> > later would be unacceptable, I can do another PR with my commit taken out.
>> >
>> > [1] https://lore.kernel.org/all/202507220801.50a7210-lkp@intel.com/
>> > [2] https://lore.kernel.org/all/20250723104123.190518-1-pfalcato@suse.de/
>> 
>> Thanks for the heads up.
>> 
>> I've pulled this, although I don't see the rdma fix in the rdma tree

Thanks.

>> (the pull for which is still pending in my inbox - I've merged a big
>> chunk already, people have been very good about sending their pulls
>> early - thanks)
> 
> It is not there, it was unclear in the emails what should happen and I
> did not want to delay things due to your travel note.
> 
>> I'll take the fix directly in the worst case, but prefer for things to
>> go through the normal subsystem maintainer if at all possible, and
>> this one seems fairly straightforward.
> 
> I think it will be easiest for all if I send a one patch PR after you pick up
> the main RDMA PR in the next few days. siw is not so critical that we
> need to rush.

Great, thanks. The last version with ack from Bernard is here:

https://lore.kernel.org/all/20250729120348.495568-1-pfalcato@suse.de/

> Thanks,
> Jason