From: Peter Xu <peterx@redhat.com>
To: Axel Rasmussen <axelrasmussen@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
linux-kernel@vger.kernel.org, linux-man@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH v2] ioctl_userfaultfd.2, userfaultfd.2: add minor fault mode
Date: Tue, 27 Jul 2021 12:37:28 -0400 [thread overview]
Message-ID: <YQA2SC4ecPh7cz7f@t490s> (raw)
In-Reply-To: <20210604195622.1249588-1-axelrasmussen@google.com>
On Fri, Jun 04, 2021 at 12:56:22PM -0700, Axel Rasmussen wrote:
> Userfaultfd minor fault mode is supported starting from Linux 5.13.
>
> This commit adds a description of the new mode, as well as the new ioctl
> used to resolve such faults. The two go hand-in-hand: one can't resolve
> a minor fault without continue, and continue can't be used to resolve
> any other kind of fault.
>
> This patch covers just the hugetlbfs implementation (in 5.13). Support
> for shmem is forthcoming, but as it has not yet made it into a kernel
> release candidate, it will be added in a future commit.
>
> Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
FWIW:
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
prev parent reply other threads:[~2021-07-27 16:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-04 19:56 [PATCH v2] ioctl_userfaultfd.2, userfaultfd.2: add minor fault mode Axel Rasmussen
2021-07-27 16:32 ` Axel Rasmussen
2021-08-02 11:21 ` Mike Rapoport
2021-08-02 12:21 ` Alejandro Colomar (man-pages)
2022-03-22 16:31 ` Axel Rasmussen
2022-04-02 21:48 ` Alejandro Colomar (man-pages)
2021-07-27 16:37 ` Peter Xu [this message]
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