linux-kernel - Re: [PATCH v14 2/7] mm: add VM_DROPPABLE for designating always lazily freeable mappings

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Message-ID: <CAHk-=wga2A0T8a3L6KHPrxjShU5-m6t7t71RfHHLnFmA0__wtQ@mail.gmail.com>
Date:   Wed, 11 Jan 2023 06:07:50 -0600
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     Florian Weimer <fweimer@...hat.com>,
        "Jason A. Donenfeld" <Jason@...c4.com>,
        Andy Lutomirski <luto@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
        patches@...ts.linux.dev, tglx@...utronix.de,
        linux-crypto@...r.kernel.org, linux-api@...r.kernel.org,
        x86@...nel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Adhemerval Zanella Netto <adhemerval.zanella@...aro.org>,
        "Carlos O'Donell" <carlos@...hat.com>,
        Arnd Bergmann <arnd@...db.de>, Jann Horn <jannh@...gle.com>,
        Christian Brauner <brauner@...nel.org>, linux-mm@...ck.org,
        mlichvar@...hat.com
Subject: Re: [PATCH v14 2/7] mm: add VM_DROPPABLE for designating always
 lazily freeable mappings

On Wed, Jan 11, 2023 at 1:27 AM Eric Biggers <ebiggers@...nel.org> wrote:
>
> How would userspace decide when to reseed its CRNGs, then?

.. and that is relevant to all the VM discussions exactly why?

                Linus