linux-kernel - Re: [PATCH 1/2] Documentation: clarify limitations of hibernation

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Message-ID: <CAJZ5v0iQDCd1V-78jT0w9_XnhsMbXXhv1gONq9OtOnBCQ3Di2Q@mail.gmail.com>
Date:   Mon, 27 Jan 2020 17:14:09 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Luigi Semenzato <semenzato@...gle.com>,
        Linux Memory Management List <linux-mm@...ck.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Geoff Pike <gpike@...gle.com>
Subject: Re: [PATCH 1/2] Documentation: clarify limitations of hibernation

On Mon, Jan 27, 2020 at 3:16 PM Michal Hocko <mhocko@...nel.org> wrote:
>
> On Fri 24-01-20 08:37:12, Luigi Semenzato wrote:
> [...]
> > The purpose of my documentation patch was to make it clearer that
> > hibernation may fail in situations in which suspend-to-RAM works; for
> > instance, when there is no swap, and anonymous pages are over 50% of
> > total RAM.  I will send a new version of the patch which hopefully
> > makes this clearer.
>
> I was under impression that s2disk is pretty much impossible without any
> swap.

And you were correct. :-)