From: Michal Hocko <mhocko@kernel.org>
To: Masanari Iida <standby24x7@gmail.com>
Cc: linux-kernel@vger.kernel.org, ebiederm@xmission.com,
akpm@linux-foundation.org, stable@vger.kernel.org,
corbet@lwn.net, linux-doc@vger.kernel.org, mingo@redhat.com
Subject: Re: [PATCH 1/2] docs: admin-guide: Fix min value of threads-max in kernel.rst
Date: Tue, 5 Nov 2019 07:30:08 +0100 [thread overview]
Message-ID: <20191105063008.GC22672@dhcp22.suse.cz> (raw)
In-Reply-To: <20191101040438.6029-1-standby24x7@gmail.com>
On Fri 01-11-19 13:04:37, Masanari Iida wrote:
> Since following patch was merged 5.4-rc3, minimum value for
> threads-max changed to 1.
>
> kernel/sysctl.c: do not override max_threads provided by userspace
> b0f53dbc4bc4c371f38b14c391095a3bb8a0bb40
>
> Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
> ---
> Documentation/admin-guide/sysctl/kernel.rst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
> index 032c7cd3cede..38e0f10d7d9f 100644
> --- a/Documentation/admin-guide/sysctl/kernel.rst
> +++ b/Documentation/admin-guide/sysctl/kernel.rst
> @@ -1101,7 +1101,7 @@ During initialization the kernel sets this value such that even if the
> maximum number of threads is created, the thread structures occupy only
> a part (1/8th) of the available RAM pages.
>
> -The minimum value that can be written to threads-max is 20.
> +The minimum value that can be written to threads-max is 1.
>
> The maximum value that can be written to threads-max is given by the
> constant FUTEX_TID_MASK (0x3fffffff).
> --
> 2.24.0.rc1
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2019-11-05 6:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-01 4:04 [PATCH 1/2] docs: admin-guide: Fix min value of threads-max in kernel.rst Masanari Iida
2019-11-01 4:04 ` [PATCH 2/2] docs: admin-guide: Remove threads-max auto-tuning Masanari Iida
2019-11-05 6:30 ` Michal Hocko
2019-11-05 6:30 ` Michal Hocko [this message]
2019-11-07 19:43 ` [PATCH 1/2] docs: admin-guide: Fix min value of threads-max in kernel.rst Jonathan Corbet
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