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([2001:a61:2482:101:a081:4793:30bf:f3d5]) by smtp.gmail.com with ESMTPSA id by21sm15244875ejb.93.2020.05.25.06.48.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 May 2020 06:48:45 -0700 (PDT) Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org, nilal@redhat.com, Florian Weimer , =?UTF-8?Q?Colm_MacC=c3=a1rtaigh?= , Mike Kravetz Subject: Re: [PATCH] proc.5: add "wf" to VmFlags in /proc/[pid]/smaps To: Ian Rogers , Rik van Riel References: <20200521222551.259804-1-irogers@google.com> From: "Michael Kerrisk (man-pages)" Message-ID: <72cb0b2e-4487-c3f3-4406-572f146be91a@gmail.com> Date: Mon, 25 May 2020 15:48:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200521222551.259804-1-irogers@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 > 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 > 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 > --- > 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/