linux-kernel - Re: [PATCH] memcg: make it work on sparse non-0-node systems

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Date:   Mon, 29 Apr 2019 14:11:51 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        cgroups@...r.kernel.org,
        Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
Subject: Re: [PATCH] memcg: make it work on sparse non-0-node systems

On 29. 04. 19, 13:55, Jiri Slaby wrote:
> Well, I could have used first_node. But I am not sure, if the first
> POSSIBLE node is also ONLINE during boot?

Thinking about it, it does not matter, actually. Both first_node and
first_online are allocated and set up, no matter which one is ONLINE
node. So first_node should work as good as first_online_node.

thanks,
-- 
js
suse labs