Re: [PATCH V2 3/5] memcg: set soft_limit_in_bytes to 0 by default

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On 04/11/2012 06:00 PM, Ying Han wrote:
1. If soft_limit are all set to MAX, it wastes first three periority iterations
without scanning anything.

2. By default every memcg is eligibal for softlimit reclaim, and we can also
set the value to MAX for special memcg which is immune to soft limit reclaim.

This idea is based on discussion with Michal and Johannes from LSF.

Combined with patch 2/5, would this not result in always
returning "reclaim from this memcg" for groups without a
configured softlimit, while groups with a configured
softlimit only get reclaimed from when they are over
their limit?

Is that the desired behaviour when a system has some
cgroups with a configured softlimit, and some without?

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