linux-kernel - Re: [PATCH v5 3/3] man/man2/prctl.2, PR_FUTEX_HASH_GET_SLOTS.2const: Document PR_FUTEX_HASH_GET

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Message-ID: <3ifedzf4hcnbwzlthaiq3khgxk6wtv3kk6f7cvqqo4jul6bwyx@megj652jgyvx>
Date: Tue, 19 Aug 2025 13:07:15 +0200
From: Alejandro Colomar <alx@...nel.org>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: linux-kernel@...r.kernel.org, linux-man@...r.kernel.org, 
	André Almeida <andrealmeid@...lia.com>, Darren Hart <dvhart@...radead.org>, 
	Davidlohr Bueso <dave@...olabs.net>, Ingo Molnar <mingo@...hat.com>, 
	Juri Lelli <juri.lelli@...hat.com>, Peter Zijlstra <peterz@...radead.org>, 
	Thomas Gleixner <tglx@...utronix.de>, Valentin Schneider <vschneid@...hat.com>, 
	Waiman Long <longman@...hat.com>
Subject: Re: [PATCH v5 3/3] man/man2/prctl.2, PR_FUTEX_HASH_GET_SLOTS.2const:
 Document PR_FUTEX_HASH_GET_SLOTS

Hi Sebastian,

On Tue, Aug 19, 2025 at 09:17:28AM +0200, Sebastian Andrzej Siewior wrote:
> Reviewed-by: Alejandro Colomar <alx@...nel.org>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>

Thanks!  I've applied this patch.


Have a lovely day!
Alex

> ---
>  man/man2const/PR_FUTEX_HASH_GET_SLOTS.2const | 35 ++++++++++++++++++++
>  1 file changed, 35 insertions(+)
>  create mode 100644 man/man2const/PR_FUTEX_HASH_GET_SLOTS.2const
> 
> diff --git a/man/man2const/PR_FUTEX_HASH_GET_SLOTS.2const b/man/man2const/PR_FUTEX_HASH_GET_SLOTS.2const
> new file mode 100644
> index 0000000000000..dfeffa57930ab
> --- /dev/null
> +++ b/man/man2const/PR_FUTEX_HASH_GET_SLOTS.2const
> @@ -0,0 +1,35 @@
> +.\" Copyright, the authors of the Linux man-pages project
> +.\"
> +.\" SPDX-License-Identifier: Linux-man-pages-copyleft
> +.\"
> +.TH PR_FUTEX_HASH_GET_SLOTS 2const (date) "Linux man-pages (unreleased)"
> +.SH NAME
> +PR_FUTEX_HASH_GET_SLOTS
> +\-
> +return the size of the private hash
> +.SH LIBRARY
> +Standard C library
> +.RI ( libc ,\~ \-lc )
> +.SH SYNOPSIS
> +.nf
> +.BR "#include <linux/prctl.h>" "  /* Definition of " PR_* " constants */"
> +.B #include <sys/prctl.h>
> +.P
> +.B int prctl(PR_FUTEX_HASH, PR_FUTEX_HASH_GET_SLOTS);
> +.fi
> +.SH DESCRIPTION
> +Return the current size of the private hash.
> +.SH RETURN VALUE
> +A value of 0 means that a private hash has not been allocated
> +and the global hash is in use.
> +A value >0 specifies the size of the private hash.
> +On error, \-1 is returned, and
> +.I errno
> +is set to indicate the error.
> +.SH STANDARDS
> +Linux.
> +.SH HISTORY
> +Linux 6.17.
> +.SH SEE ALSO
> +.BR prctl (2),
> +.BR PR_FUTEX_HASH (2const),
> -- 
> 2.50.1
> 

-- 
<https://www.alejandro-colomar.es/>

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