From patchwork Fri May 26 21:07:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Chamberlain X-Patchwork-Id: 13257329 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F90CC77B73 for ; Fri, 26 May 2023 21:07:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D43086B0074; Fri, 26 May 2023 17:07:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CF2EB6B0075; Fri, 26 May 2023 17:07:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BBABF900002; Fri, 26 May 2023 17:07:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id A7D606B0074 for ; 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bh=1ogg/PUbTxKmhWJC/1xhoXa1dzdnZDY8ZuRWFCmZ38s=; b=0CftGiEnPzro23zYDvjoLbTFuY rqII7GAY5PmjLXehFY5Msk61fmrmnxv/iFFbFHZG+DNz5DTQeMpTaBcuX0gWbyUeB5JB3fQfzA+kz fzptzQXE+XrWAbMiezOCIrxOV0IuwLfF7FCG2gyB0DE5gbz2L0KfgjW3Bk4V0j7UiSFI4ZSFIJJr4 jyVf6puAi6HAZKAOHTNvCqL6Z1DEJtp2HYSBPi/zys75bwYb+23doVm93UdkVBX/T9iihvITcWI+r M4+rCBQwC3bY412UlfWIrjczePv/jpUHL6dzZQ+BiMpnm4Skwd1bjpxDdxWu/pR5RPP1xvasBu+gO zLzoa2FA==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1q2eeO-003vDt-0W; Fri, 26 May 2023 21:07:04 +0000 From: Luis Chamberlain To: alx@kernel.org, linux-man@vger.kernel.org, linux-api@vger.kernel.org Cc: hughd@google.com, p.raghav@samsung.com, da.gomez@samsung.com, rohan.puri@samsung.com, rpuri.linux@gmail.com, a.manzanares@samsung.com, dave@stgolabs.net, yosryahmed@google.com, keescook@chromium.org, mcgrof@kernel.org, patches@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH] tmpfs.5: extend with new noswap documentation Date: Fri, 26 May 2023 14:07:03 -0700 Message-Id: <20230526210703.934922-1-mcgrof@kernel.org> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 X-Rspamd-Queue-Id: 7BFA91C0017 X-Rspam-User: X-Stat-Signature: pyjofd59o3srgprmjkg4mp4i6xbfi5b7 X-Rspamd-Server: rspam01 X-HE-Tag: 1685135238-383693 X-HE-Meta: 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 HnZUTHge Invhgao2dEww9vfX0pW6H2I0v45TbIJojfw7BVqgxCqoT9KLFihsPV1PFpVMjpFhZHTxGWnTeRHKCh1ksv6K29pSPmwuoNxxY+qXqMsDHt7xSDMCijK8pemFtQ9LVm0iIcZ6Wi9vza4zq24DL6bBy3EPSE2whAbNpLlGDjiLCsHDR8c6i46Vk7MiATLTv7PkfNc1btdtXC//7IqzvThswjNpwie+b+XEjdxEnlAMOhS7yV7q8RP6frTPkxIE7Azn85gPb7ezkg+mcGe1B3IqMEbgjSzvNv8lhqlOBME5hqFtwB5tRwuBWD+p4dF2mNjFqTiMu7CFAdZo22tYPJsReu4y70OX4ribcxhbz4Sjk/zUhMMiqjaLgO9JukKUaJGS5yrn39Ufs+XSN5lRGwNX7XuknK4G5uYBurWAlfdKLsOVYz4q0v6FohFMt6cEHzQKSaWu8TmCWiu5MmycSzFoixTqsxQ== 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: Linux commit 2c6efe9cf2d7 ("shmem: add support to ignore swap") merged as of v6.4 added support to disable swap for tmpfs mounts. This extends the man page to document that. Signed-off-by: Luis Chamberlain --- man5/tmpfs.5 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/man5/tmpfs.5 b/man5/tmpfs.5 index 09d9558985e9..f7f90f112103 100644 --- a/man5/tmpfs.5 +++ b/man5/tmpfs.5 @@ -99,6 +99,11 @@ suffixes like .BR size , but not a % suffix. .TP +.BR noswap "(since Linux 6.4)" +.\" commit 2c6efe9cf2d7841b75fe38ed1adbd41a90f51ba0 +Disables swap. Remounts must respect the original settings. +By default swap is enabled. +.TP .BR mode "=\fImode\fP" Set initial permissions of the root directory. .TP