From: Javier Martinez Canillas <javierm@redhat.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
linux-kernel@vger.kernel.org
Cc: Alim Akhtar <alim.akhtar@samsung.com>,
Arnd Bergmann <arnd@arndb.de>,
Gregory CLEMENT <gregory.clement@bootlin.com>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Robert Elliott <elliott@hpe.com>,
Russell King <linux@armlinux.org.uk>,
Stefan Hansson <newbie13xd@gmail.com>,
Sudeep Holla <sudeep.holla@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH] ARM: exynos_defconfig: Enable zram as loadable modules
Date: Mon, 10 Apr 2023 19:51:55 +0200 [thread overview]
Message-ID: <87sfd7sk04.fsf@minerva.mail-host-address-is-not-set> (raw)
In-Reply-To: <fe1e74a2-e933-7cd9-f740-86d871076191@linaro.org>
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> writes:
> On 10/04/2023 14:49, Javier Martinez Canillas wrote:
>> Enable zram and dependencies as loadable modules. This allows to use the
>> /dev/zramX virtual block devices as swap stored in system memory.
>>
>> Options were taken from commit 5c824e8be64d ("ARM: omap2plus_defconfig:
>> Enable zram as loadable modules") that does the same for OMAP2+ platforms.
>
> Neither this commit msg nor above omap commit explain why do we want it.
> I know what zram is, I know its purpose, but the commit should answer
> why we want it in defconfig.
>
> To me it is not a matching defconfig at all:
> 1. Not a feature related to Exynos hardware,
> 2. Not needed for basic boot (systemd) or debug.
>
It's needed for basic boot on distros that use swap on zram (i.e: Fedora).
I just had this as a local change to boot an ODROID XU4. But have a custom
defconfig for other boards anyways, so I'll just do the same for this one.
--
Best regards,
Javier Martinez Canillas
Core Platforms
Red Hat
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next prev parent reply other threads:[~2023-04-10 17:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-10 12:49 [PATCH] ARM: exynos_defconfig: Enable zram as loadable modules Javier Martinez Canillas
2023-04-10 16:47 ` Krzysztof Kozlowski
2023-04-10 17:51 ` Javier Martinez Canillas [this message]
2023-04-10 18:05 ` Krzysztof Kozlowski
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