From: Alice Ryhl <aliceryhl@google.com>
To: "David Hildenbrand (arm)" <david@kernel.org>
Cc: "Lorenzo Stoakes" <lorenzo.stoakes@oracle.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Carlos Llamas" <cmllamas@google.com>,
"Alexander Viro" <viro@zeniv.linux.org.uk>,
"Christian Brauner" <brauner@kernel.org>,
"Jan Kara" <jack@suse.cz>, "Paul Moore" <paul@paul-moore.com>,
"James Morris" <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Dave Chinner" <david@fromorbit.com>,
"Qi Zheng" <zhengqi.arch@bytedance.com>,
"Roman Gushchin" <roman.gushchin@linux.dev>,
"Muchun Song" <muchun.song@linux.dev>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
"Vlastimil Babka" <vbabka@suse.cz>,
"Mike Rapoport" <rppt@kernel.org>,
"Suren Baghdasaryan" <surenb@google.com>,
"Michal Hocko" <mhocko@suse.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
kernel-team@android.com, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org, linux-mm@kvack.org,
rust-for-linux@vger.kernel.org
Subject: Re: [PATCH 3/5] mm: export zap_page_range_single and list_lru_add/del
Date: Thu, 5 Feb 2026 12:19:22 +0000 [thread overview]
Message-ID: <aYSKyr7StGpGKNqW@google.com> (raw)
In-Reply-To: <8856c839-1a94-4e4d-9ded-d3b1627cd2cc@kernel.org>
On Thu, Feb 05, 2026 at 01:13:57PM +0100, David Hildenbrand (arm) wrote:
> On 2/5/26 13:10, Lorenzo Stoakes wrote:
> > On Thu, Feb 05, 2026 at 11:58:00AM +0000, Alice Ryhl wrote:
> > > On Thu, Feb 05, 2026 at 12:43:03PM +0100, David Hildenbrand (arm) wrote:
> > > >
> > > > I don't expect anybody to set zap_details, but yeah, it could be abused.
> > > > It could be abused right now from anywhere else in the kernel
> > > > where we don't build as a module :)
> > > >
> > > > Apparently we export a similar function in rust where we just removed the last parameter.
> > >
> > > To clarify, said Rust function gets inlined into Rust Binder, so Rust
> > > Binder calls the zap_page_range_single() symbol directly.
> >
> > Presumably only for things compiled into the kernel right?
>
> Could Rust just use zap_vma_ptes() or does it want to zap things in VMAs
> that are not VM_PFNMAP?
The VMA is VM_MIXEDMAP, not VM_PFNMAP.
Alice
next prev parent reply other threads:[~2026-02-05 12:19 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-05 10:51 [PATCH 0/5] Make Rust Binder build as a module Alice Ryhl
2026-02-05 10:51 ` [PATCH 1/5] export file_close_fd and task_work_add Alice Ryhl
2026-02-05 11:20 ` Lorenzo Stoakes
2026-02-05 11:42 ` Alice Ryhl
2026-02-05 11:53 ` Lorenzo Stoakes
2026-02-05 13:45 ` Alice Ryhl
2026-02-09 15:21 ` Lorenzo Stoakes
2026-02-10 8:47 ` Alice Ryhl
2026-02-05 11:38 ` Christian Brauner
2026-02-05 11:52 ` Jan Kara
2026-02-05 12:07 ` Alice Ryhl
2026-02-05 10:51 ` [PATCH 2/5] security: export binder symbols Alice Ryhl
2026-02-20 0:00 ` Paul Moore
2026-02-05 10:51 ` [PATCH 3/5] mm: export zap_page_range_single and list_lru_add/del Alice Ryhl
2026-02-05 10:59 ` David Hildenbrand (arm)
2026-02-05 11:04 ` Alice Ryhl
2026-02-05 11:12 ` David Hildenbrand (arm)
2026-02-05 11:18 ` Alice Ryhl
2026-02-05 11:30 ` David Hildenbrand (arm)
2026-02-05 11:29 ` Lorenzo Stoakes
2026-02-05 11:43 ` David Hildenbrand (arm)
2026-02-05 11:57 ` David Hildenbrand (arm)
2026-02-05 12:01 ` Lorenzo Stoakes
2026-02-05 12:06 ` David Hildenbrand (arm)
2026-02-05 12:07 ` Lorenzo Stoakes
2026-02-05 11:57 ` Lorenzo Stoakes
2026-02-05 12:03 ` David Hildenbrand (arm)
2026-02-05 12:12 ` Lorenzo Stoakes
2026-02-05 12:24 ` Miguel Ojeda
2026-02-05 12:28 ` Lorenzo Stoakes
2026-02-05 11:58 ` Alice Ryhl
2026-02-05 12:10 ` Lorenzo Stoakes
2026-02-05 12:13 ` David Hildenbrand (arm)
2026-02-05 12:19 ` Alice Ryhl [this message]
2026-02-05 12:24 ` Lorenzo Stoakes
2026-02-05 12:30 ` David Hildenbrand (Arm)
2026-02-09 15:22 ` Lorenzo Stoakes
2026-02-05 12:16 ` Alice Ryhl
2026-02-05 12:07 ` Alice Ryhl
2026-02-05 12:18 ` Lorenzo Stoakes
2026-02-05 10:51 ` [PATCH 4/5] ipc: export init_ipc_ns and put_ipc_ns Alice Ryhl
2026-02-05 10:51 ` [PATCH 5/5] rust_binder: mark ANDROID_BINDER_IPC_RUST tristate Alice Ryhl
2026-02-05 13:21 ` Gary Guo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aYSKyr7StGpGKNqW@google.com \
--to=aliceryhl@google.com \
--cc=Liam.Howlett@oracle.com \
--cc=a.hindborg@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=bjorn3_gh@protonmail.com \
--cc=boqun.feng@gmail.com \
--cc=brauner@kernel.org \
--cc=cmllamas@google.com \
--cc=dakr@kernel.org \
--cc=david@fromorbit.com \
--cc=david@kernel.org \
--cc=gary@garyguo.net \
--cc=gregkh@linuxfoundation.org \
--cc=jack@suse.cz \
--cc=jmorris@namei.org \
--cc=kernel-team@android.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-security-module@vger.kernel.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=lossin@kernel.org \
--cc=mhocko@suse.com \
--cc=muchun.song@linux.dev \
--cc=ojeda@kernel.org \
--cc=paul@paul-moore.com \
--cc=roman.gushchin@linux.dev \
--cc=rppt@kernel.org \
--cc=rust-for-linux@vger.kernel.org \
--cc=serge@hallyn.com \
--cc=surenb@google.com \
--cc=tmgross@umich.edu \
--cc=vbabka@suse.cz \
--cc=viro@zeniv.linux.org.uk \
--cc=zhengqi.arch@bytedance.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.