Re: [PATCH v3.1] proc.5: Add description of CLEAR_REFS_MM_HIWATER_RSS

Michael Kerrisk (man-pages)
2016-09-12T20:36:27Z

On 09/10/2016 03:19 AM, Namhyung Kim wrote:
> The Linux kernel commit 695f05593693 ("fs/proc/task_mmu.c: add
> user-space support for resetting mm->hiwater_rss (peak RSS)") added a
> way to reset peak RSS of a process but missed to update manpage.

Thanks, Namhyung Kim. I have applied this patch.

Cheers,

Michael

>
> Cc: Petr Cermak <petrcermak-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
> Acked-by: Petr Cermak <petrcermak-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
> Signed-off-by: Namhyung Kim <namhyung-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
> man5/proc.5 | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/man5/proc.5 b/man5/proc.5
> index 14588fe..5f0abad 100644
> --- a/man5/proc.5
> +++ b/man5/proc.5
> @@ -340,7 +340,7 @@ process during the measured interval.
> If one is interested only in inspecting the selected mapping types,
> then the value 2 or 3 can be used instead of 1.
>
> -A further value can be written to affect a different bit:
> +Further values can be written to affect different properties:
> .RS
> .TP
> 4 (since Linux 3.11)
> @@ -352,6 +352,11 @@ by the check-point restore system to discover which pages of a process
> have been dirtied since the file
> .IR /proc/[pid]/clear_refs
> was written to.
> +.TP
> +5 (since Linux 4.0)
> +.\" Internally: CLEAR_REFS_MM_HIWATER_RSS
> +Reset the peak resident set size ("high water mark") to the process'
> +current value.
> .RE
> .IP
> Writing any value to
>

--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/