linux-kernel - Re: [PATCH] Update Documentation/admin-guide/sysctl/fs.rst

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: <20210128154537.2ed50d06@lwn.net>
Date:   Thu, 28 Jan 2021 15:45:37 -0700
From:   Jonathan Corbet <corbet@....net>
To:     Eric Curtin <ericcurtin17@...il.com>
Cc:     "Alexander A. Klimov" <grandmaster@...klimov.de>,
        linux-doc@...r.kernel.org (open list:DOCUMENTATION),
        linux-kernel@...r.kernel.org (open list)
Subject: Re: [PATCH] Update Documentation/admin-guide/sysctl/fs.rst

On Wed, 20 Jan 2021 13:26:47 +0000
Eric Curtin <ericcurtin17@...il.com> wrote:

> max_user_watches for epoll should say 1/25, rather than 1/32
> 
> Signed-off-by: Eric Curtin <ericcurtin17@...il.com>
> ---
>  Documentation/admin-guide/sysctl/fs.rst | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/admin-guide/sysctl/fs.rst b/Documentation/admin-guide/sysctl/fs.rst
> index f48277a0a850..2a501c9ddc55 100644
> --- a/Documentation/admin-guide/sysctl/fs.rst
> +++ b/Documentation/admin-guide/sysctl/fs.rst
> @@ -380,5 +380,5 @@ This configuration option sets the maximum number of "watches" that are
>  allowed for each user.
>  Each "watch" costs roughly 90 bytes on a 32bit kernel, and roughly 160 bytes
>  on a 64bit one.
> -The current default value for  max_user_watches  is the 1/32 of the available
> -low memory, divided for the "watch" cost in bytes.
> +The current default value for  max_user_watches  is the 1/25 (4%) of the
> +available low memory, divided for the "watch" cost in bytes.

That does appear to be the way of it...patch applied, thanks.

jon