From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: David Hildenbrand <david@redhat.com>
Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev,
tglx@linutronix.de, linux-crypto@vger.kernel.org,
linux-api@vger.kernel.org, x86@kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>,
Carlos O'Donell <carlos@redhat.com>,
Florian Weimer <fweimer@redhat.com>,
Arnd Bergmann <arnd@arndb.de>, Jann Horn <jannh@google.com>,
Christian Brauner <brauner@kernel.org>,
David Hildenbrand <dhildenb@redhat.com>,
linux-mm@kvack.org
Subject: Re: [PATCH v22 1/4] mm: add MAP_DROPPABLE for designating always lazily freeable mappings
Date: Fri, 12 Jul 2024 03:21:56 +0200 [thread overview]
Message-ID: <ZpCFNA2VDoB_7waS@zx2c4.com> (raw)
In-Reply-To: <5a875a3a-2243-4eab-856f-bc53ccfec3ea@redhat.com>
On Fri, Jul 12, 2024 at 12:29:17AM +0200, David Hildenbrand wrote:
> > I'll try to think of some corner cases we might be missing.
>
> Sorry that I keep coming up with corner cases :) But these should be easy to handle:
Thank you for coming up with them!
> We don't want to suddenly get pages that are swapbacked.
> Otherwise someone could place swapbacked pages in there (using UFFDIO_MOVE)
Both seem like reasonable concerns. Added to v+1.
Jason
next prev parent reply other threads:[~2024-07-12 1:22 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-09 13:05 [PATCH v22 0/4] implement getrandom() in vDSO Jason A. Donenfeld
2024-07-09 13:05 ` [PATCH v22 1/4] mm: add MAP_DROPPABLE for designating always lazily freeable mappings Jason A. Donenfeld
2024-07-10 3:27 ` David Hildenbrand
2024-07-10 4:05 ` David Hildenbrand
2024-07-11 0:44 ` Jason A. Donenfeld
2024-07-11 4:32 ` Jason A. Donenfeld
2024-07-11 4:46 ` David Hildenbrand
2024-07-11 5:07 ` Linus Torvalds
2024-07-11 17:09 ` Jason A. Donenfeld
2024-07-11 17:17 ` Jason A. Donenfeld
2024-07-11 17:24 ` David Hildenbrand
2024-07-11 17:27 ` David Hildenbrand
2024-07-11 17:54 ` Jason A. Donenfeld
2024-07-11 17:56 ` Jason A. Donenfeld
2024-07-11 18:08 ` Jason A. Donenfeld
2024-07-11 18:24 ` David Hildenbrand
2024-07-11 18:54 ` Jason A. Donenfeld
2024-07-11 18:56 ` David Hildenbrand
2024-07-11 19:18 ` David Hildenbrand
2024-07-11 19:20 ` David Hildenbrand
2024-07-11 19:49 ` Yu Zhao
2024-07-11 19:52 ` Yu Zhao
2024-07-11 19:53 ` David Hildenbrand
2024-07-11 19:58 ` Yu Zhao
2024-07-11 20:59 ` David Hildenbrand
2024-07-11 20:20 ` Jason A. Donenfeld
2024-07-11 20:59 ` David Hildenbrand
2024-07-11 17:49 ` Jason A. Donenfeld
2024-07-11 17:57 ` Linus Torvalds
2024-07-11 19:07 ` David Hildenbrand
2024-07-11 19:17 ` Linus Torvalds
2024-07-11 19:22 ` David Hildenbrand
2024-07-11 20:07 ` Jason A. Donenfeld
2024-07-11 20:17 ` Jason A. Donenfeld
2024-07-11 22:29 ` David Hildenbrand
2024-07-12 1:21 ` Jason A. Donenfeld [this message]
2024-07-09 13:05 ` [PATCH v22 2/4] random: introduce generic vDSO getrandom() implementation Jason A. Donenfeld
2024-07-09 13:05 ` [PATCH v22 3/4] x86: vdso: Wire up getrandom() vDSO implementation Jason A. Donenfeld
2024-07-09 13:05 ` [PATCH v22 4/4] selftests/vDSO: add tests for vgetrandom Jason A. Donenfeld
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