From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 266F32511F for ; Fri, 15 Dec 2023 11:27:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="E6IzuUqG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB4BBC433CB; Fri, 15 Dec 2023 11:27:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702639653; bh=eUMUdJojK04q+FHw8vOGQJQCBbrJBOKifi3MLdZjjnA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=E6IzuUqGGI9N55blKSXpW2LjZZThAybYDF3av7pdTY/wmC6r5s/B5R1uMdbRIqmEp 5Q6eqfTAlQQBBFU6SdymO9ISzakT9d5NQtXqOViRB6Pkwa6oRQzahx00jRoBJN9Aab OJjIzSH4pU9S2K8jFKFTDdG/ze2aP5vnkEjIw0L54gYZNkaoBLEsxl70seYy7WnW3T 0k6RS3+Z6EfAAJi3kRpZ3fApVTGpLWXL7IYQyDPzxu7iUcW4yuir5N6FOVRyqeIUen G7WvT/kU3W1yDVKN0mZggR0FMgiDGaFVKJlRjO+XIuJ1MZTOKxe2n/djPcxSXdR0Tc UtHSwIX65lBLw== Date: Fri, 15 Dec 2023 12:27:30 +0100 From: Alejandro Colomar To: Yang Xu Cc: linux-man@vger.kernel.org Subject: Re: [PATCH v2 1/2] swapon.2: Adjust decreased value under CONFIG_MIGRATION Message-ID: References: <20231205063017.68690-1-xuyang2018.jy@fujitsu.com> Precedence: bulk X-Mailing-List: linux-man@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="UpFKvQHkTZADXq3o" Content-Disposition: inline In-Reply-To: --UpFKvQHkTZADXq3o Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Fri, 15 Dec 2023 12:27:30 +0100 From: Alejandro Colomar To: Yang Xu Cc: linux-man@vger.kernel.org Subject: Re: [PATCH v2 1/2] swapon.2: Adjust decreased value under CONFIG_MIGRATION On Fri, Dec 15, 2023 at 12:13:30PM +0100, Alejandro Colomar wrote: > Hi Yang, >=20 > On Tue, Dec 05, 2023 at 01:30:16AM -0500, Yang Xu wrote: > > After kernel 5.19[1], the limit is decreased by 3. > >=20 > > [1]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/c= ommit/include/linux/swap.h?id=3D6c287605f > >=20 > > Signed-off-by: Yang Xu >=20 > I've applied the patch, with some modifications: > Oops, my modification was wrong. I've amended that. Here are the two patches now: >=20 > Cheers, > Alex >=20 > > --- > > man2/swapon.2 | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > >=20 > > diff --git a/man2/swapon.2 b/man2/swapon.2 > > index c0e61cbc6..2bc477d18 100644 > > --- a/man2/swapon.2 > > +++ b/man2/swapon.2 > > @@ -164,7 +164,8 @@ Before Linux 2.4.10, > > .B MAX_SWAPFILES > > has the value 8; > > since Linux 2.4.10, it has the value 32. > > -Since Linux 2.6.18, the limit is decreased by 2 (thus: 30) > > +Since Linux 2.6.18, the limit is decreased by 2 (Since Linux 5.19.0, > > +the limit is decreased by 3) > > if the kernel is built with the > > .B CONFIG_MIGRATION > > option > > --=20 > > 2.27.0 > >=20 > >=20 >=20 > --=20 > > Looking for a remote C programming job at the moment. --=20 Looking for a remote C programming job at the moment. --UpFKvQHkTZADXq3o Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6jqH8KTroDDkXfJAnowa+77/2zIFAmV8OCIACgkQnowa+77/ 2zLDQQ/9EpEVacpAOZ1yFU1pks6pXKHlIcZXTZFwNXia/OrepQpM6TtE4hM6T7Gc JMDyyceRZV0tC1WMYsx5+ffiJAi9kxMcKCOr2f4ueQG92ATYuW12jWlJYo7Ok/+f pVdeqSRDNqM9zVhS6WDfUnKVCU2q8hSHCfYoGYF9ywJ8cFZ0arW6p36lm7cnoh5X yUadtPV1zAMGjhHAQrK689mgSzreYya2BeiQyFzpIqKwRC/KNlkR9vRUkkrTuSoT cl4Bi9qd6jKBt+LGgpc1g3s9w6ZmzIw7ID6JKW8mlghs1gOq9PSa6Ajthoj0OLmR /XZTLlVocrrtJOn3KHmSj6zzSfw6X5ow5n5YXZbJkQAhdyK8Lqb67PC2uHRO5xOb PNwM7zr5ARAgfCgVZ2e7cDiKThqxoew0xg00aMWTamqPTc3dcSP2qQtRcv3aDQk0 mXLuahPkrNCjM55f0HMQgoNNrH0dLa+uQp62fgy1hgnUsFqBO6zIphwoaJ1iZYG1 xLLMZA4tASB1F8s8xisxXweDqbxVJg1Ocjr3Ac17X1Q0UgBXjwtBgt9WuMPEPZP+ nP+UgQG/gghnnwflNAPHqjrz8qYbQJQW3b855uRFyolwgzNRLruk6xWqCPaOY4PT nepOunUIDCvRm3xmLdc9P0u4cR2aI5VIOXR1nTNmLIf9guDbqUc= =JXQM -----END PGP SIGNATURE----- --UpFKvQHkTZADXq3o--