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

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Message-ID: <20250730184724.GC89283@nvidia.com>
Date: Wed, 30 Jul 2025 15:47:24 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Vlastimil Babka <vbabka@...e.cz>,
	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 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
> (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.

Thanks,
Jason