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Date:   Sat, 18 Nov 2017 12:33:50 -0800
From:   Shawn Landden <>
To:     Michal Hocko <>
Subject: Re: [RFC v2] prctl: prctl(PR_SET_IDLE, PR_IDLE_MODE_KILLME), for
 stateless idle loops

On Fri, Nov 3, 2017 at 2:09 AM, Michal Hocko <> wrote:
> On Thu 02-11-17 23:35:44, Shawn Landden wrote:
>> 16 bytes per process is kinda spendy, but I want to keep
>> lru behavior, which mem_score_adj does not allow. When a supervisor,
>> like Android's user input is keeping track this can be done in user-space.
>> It could be pulled out of task_struct if an cross-indexing additional
>> red-black tree is added to support pid-based lookup.
> This is still an abuse and the patch is wrong. We really do have an API
> to use I fail to see why you do not use it.
When I looked at wait_queue_head_t it was 20 bytes.

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