linux-kernel - Re: [PATCH 09/19] io_uring: convert to use vm

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Message-ID: <87k00unusm.fsf@nvidia.com>
Date:   Tue, 07 Feb 2023 12:03:33 +1100
From:   Alistair Popple <apopple@...dia.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     linux-mm@...ck.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org, jgg@...dia.com, jhubbard@...dia.com,
        tjmercier@...gle.com, hannes@...xchg.org, surenb@...gle.com,
        mkoutny@...e.com, daniel@...ll.ch,
        "Daniel P . Berrange" <berrange@...hat.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Pavel Begunkov <asml.silence@...il.com>,
        io-uring@...r.kernel.org
Subject: Re: [PATCH 09/19] io_uring: convert to use vm_account


Jens Axboe <axboe@...nel.dk> writes:

> On 2/6/23 12:47 AM, Alistair Popple wrote:
>> Convert io_uring to use vm_account instead of directly charging pages
>> against the user/mm. Rather than charge pages to both user->locked_vm
>> and mm->pinned_vm this will only charge pages to user->locked_vm.
>
> Not sure how we're supposed to review this, when you just send us 9/19
> and vm_account_release() is supposedly an earlier patch in this series.
>
> Either CC the whole series, or at least the cover letter, core parts,
> and the per-subsystem parts.

Ok, thanks. Will be sure to add everyone to the cover letter and patch
01 when I send the next version.

For reference the cover letter is here:

https://lore.kernel.org/linux-mm/cover.c238416f0e82377b449846dbb2459ae9d7030c8e.1675669136.git-series.apopple@nvidia.com/

And the core patch that introduces vm_account is here:

https://lore.kernel.org/linux-mm/e80b61561f97296a6c08faeebe281cb949333d1d.1675669136.git-series.apopple@nvidia.com/

No problem if you want to wait for the resend/next version before
taking another look though.