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List:       linux-cgroups
Subject:    Re: [PATCH 1/2] memcg: use seq_buf_do_printk() with mem_cgroup_print_oom_meminfo()
From:       Sergey Senozhatsky <senozhatsky () chromium ! org>
Date:       2023-04-27 0:55:25
Message-ID: 20230427005525.GF1496740 () google ! com
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On (23/04/26 17:24), Michal Hocko wrote:
> No objection from me but is it possible that more printk calls (one per
> line with this change correct?) would add a contention on the printk
> path?

It probably will have opposite effect: console->write of longer lines
keep local IRQs disabled longer and keep console_waiter printk spinning
(in console_trylock_spinning()) longer.
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