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

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Message-ID: <20200127141637.GL1183@dhcp22.suse.cz>
Date:   Mon, 27 Jan 2020 15:16:37 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Luigi Semenzato <semenzato@...gle.com>
Cc:     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 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.
-- 
Michal Hocko
SUSE Labs