linux-kernel - Re: [PATCH] proc.5: add "wf" to VmFlags in /proc/[pid]/smaps

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Date:   Mon, 25 May 2020 15:48:44 +0200
From:   "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:     Ian Rogers <irogers@...gle.com>, Rik van Riel <riel@...hat.com>
Cc:     mtk.manpages@...il.com, linux-man@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-api@...r.kernel.org, nilal@...hat.com,
        Florian Weimer <fweimer@...hat.com>,
        Colm MacCártaigh <colm@...costs.net>,
        Mike Kravetz <mike.kravetz@...cle.com>
Subject: Re: [PATCH] proc.5: add "wf" to VmFlags in /proc/[pid]/smaps

Hello Ian,

On 5/22/20 12:25 AM, Ian Rogers wrote:
> This patch documents a flag added in the following kernel commit:
> 
> commit d2cd9ede6e193dd7d88b6d27399e96229a551b19
> Author: Rik van Riel <riel@...hat.com>
> Date:   Wed Sep 6 16:25:15 2017 -0700
> 
>     mm,fork: introduce MADV_WIPEONFORK
> 
> This was already documented in man2/madvise.2 in the commit:
> 
> commit c0c4f6c29c494c466f3a2a6273c5b55b76a72927
> Author: Rik van Riel <riel@...hat.com>
> Date:   Tue Sep 19 20:32:00 2017 +0200
> 
>     madvise.2: Document MADV_WIPEONFORK and MADV_KEEPONFORK

Thanks. Patch applied.

Cheers,

Michael

> Signed-off-by: Ian Rogers <irogers@...gle.com>
> ---
>  man5/proc.5 | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/man5/proc.5 b/man5/proc.5
> index 46d603f28..3e5b91af0 100644
> --- a/man5/proc.5
> +++ b/man5/proc.5
> @@ -2020,6 +2020,7 @@ encoded using the following two-letter codes:
>      ht  - area uses huge tlb pages
>      nl  - non-linear mapping
>      ar  - architecture specific flag
> +    wf  - wipe on fork
>      dd  - do not include area into core dump
>      sd  - soft-dirty flag
>      mm  - mixed map area
> 


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