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Shutemov" To: "Michael Kerrisk (man-pages)" Cc: Ian Rogers , Rik van Riel , linux-man@vger.kernel.org, LKML , linux-mm@kvack.org, linux-api@vger.kernel.org, nilal@redhat.com, Florian Weimer , Colm =?utf-8?Q?MacC=C3=A1rtaigh?= , Mike Kravetz Subject: Re: [PATCH] proc.5: add "wf" to VmFlags in /proc/[pid]/smaps Message-ID: <20200525145906.e5xfzmj6hvl7t4fg@box> References: <20200521222551.259804-1-irogers@google.com> <1edcb7ac-bc5f-b9ec-a037-656005ae85e3@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1edcb7ac-bc5f-b9ec-a037-656005ae85e3@gmail.com> 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: On Mon, May 25, 2020 at 03:50:38PM +0200, Michael Kerrisk (man-pages) wrote: > On 5/22/20 1:13 AM, Ian Rogers wrote: > > On Thu, May 21, 2020 at 3:25 PM 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 > >> > >> Signed-off-by: Ian Rogers > > > > Doing a quick audit of fs/proc/task_mmu.c having noticed this flag was > > missing I note: > > - "mp" isn't documented, only possible with INTEL_MPX > > - "nl" is documented but not present in show_smap_vma_flags > > - "um" and "uw" aren't documented > > I took a shot at fixing these: > > > mp - MPX-specific VMA (x86, since Linux 3.19) This one is gone. The patch to remove leftovers of MPX is linux-next. -- Kirill A. Shutemov