From: Johannes Weiner <hannes@cmpxchg.org>
To: Peter Xu <peterx@redhat.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Alistair Popple <apopple@nvidia.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
Nadav Amit <nadav.amit@gmail.com>,
Axel Rasmussen <axelrasmussen@google.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Mike Rapoport <rppt@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm/uffd: Hide PTE_MARKER option
Date: Wed, 20 Apr 2022 11:32:23 -0400 [thread overview]
Message-ID: <YmAnh/fgbPmTRUqj@cmpxchg.org> (raw)
In-Reply-To: <20220419202531.27415-1-peterx@redhat.com>
On Tue, Apr 19, 2022 at 04:25:31PM -0400, Peter Xu wrote:
> The PTE_MARKER option should not need to be exposed to the kernel builder,
> keep it internal and remove the prompt so it won't be seen.
>
> Instead, make the PTE_MARKER_UFFD_WP option to explicitly choose PTE_MARKER
> when necessary.
>
> While PTE_MARKER_UFFD_WP will still prompt to user, change the wording so
> that it'll not mention PTE_MARKER at all but renaming it to "Userfaultfd
> write protection support for shmem/hugetlbfs".
>
> Reported-by: Johannes Weiner <hannes@cmpxchg.org>
> Signed-off-by: Peter Xu <peterx@redhat.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Thank you Peter
prev parent reply other threads:[~2022-04-20 15:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-19 20:25 Peter Xu
2022-04-20 15:32 ` Johannes Weiner [this message]
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