linux-kernel - Re: [PATCH] fs/proc: introduce /proc/stat2 file

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20181108074442.kkuyaxwjhgzhzyjv@linux-r8p5>
Date:   Wed, 7 Nov 2018 23:44:42 -0800
From:   Davidlohr Bueso <dave@...olabs.net>
To:     Dave Chinner <david@...morbit.com>
Cc:     Miklos Szeredi <miklos@...redi.hu>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Daniel Colascione <dancol@...gle.com>, longman@...hat.com,
        linux-fsdevel@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH] fs/proc: introduce /proc/stat2 file

On Wed, 07 Nov 2018, Davidlohr Bueso wrote:
>I have not looked at how filesystems tune the batch size, but it would certainly be worth
>looking into methinks.

nm this part, percpu_counter_batch is not tunable. It would
still probably be acceptable (famous last words) to at least
move the bottleneck in question to percpu_counter api.

Thanks,
Davidlohr