From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Doug Berger <opendmb@gmail.com>, Arnd Bergmann <arnd@arndb.de>,
sboyd@kernel.org, Kevin Cernekee <cernekee@gmail.com>,
Mike Rapoport <rppt@linux.ibm.com>,
Gregory Fong <gregory.0xf0@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] ARM: Remove redundant ARCH_SPARSEMEM_DEFAULT setting
Date: Thu, 7 May 2020 19:50:31 +0100 [thread overview]
Message-ID: <20200507185030.GT1551@shell.armlinux.org.uk> (raw)
In-Reply-To: <3e7ee3ba-fae9-0ec3-fe1f-c076fc28aba9@gmail.com>
On Thu, May 07, 2020 at 10:25:16AM -0700, Florian Fainelli wrote:
>
>
> On 5/7/2020 3:30 AM, Russell King - ARM Linux admin wrote:
> > On Wed, May 06, 2020 at 04:50:08PM -0700, Florian Fainelli wrote:
> >> From: Kevin Cernekee <cernekee@gmail.com>
> >>
> >> If ARCH_SPARSEMEM_ENABLE=y and ARCH_{FLATMEM,DISCONTIGMEM}_ENABLE=n,
> >> then the logic in mm/Kconfig already makes CONFIG_SPARSEMEM the only
> >> choice. This is true for all of the existing ARM users of
> >> ARCH_SPARSEMEM_ENABLE.
> >>
> >> Forcing ARCH_SPARSEMEM_DEFAULT=y if ARCH_SPARSEMEM_ENABLE=y prevents
> >> us from ever defaulting to FLATMEM, so we should remove this setting.
> >
> > No explanation why that is desirable.
>
> This was explained in the original submission out of which only the
> first patch landed upstream:
>
> https://lkml.org/lkml/2015/6/4/756
Sorry, I don't see where. The message you link to is for patch 1.
I'd say that the reason only the first patch landed is because that's
all I was happy with.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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next prev parent reply other threads:[~2020-05-07 18:50 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-06 23:50 [PATCH 0/2] Allow either FLATMEM or SPARSEMEM on the multiplatform build Florian Fainelli
2020-05-06 23:50 ` [PATCH 1/2] ARM: Remove redundant ARCH_SPARSEMEM_DEFAULT setting Florian Fainelli
2020-05-07 7:27 ` Mike Rapoport
2020-05-07 10:30 ` Russell King - ARM Linux admin
2020-05-07 17:25 ` Florian Fainelli
2020-05-07 18:50 ` Russell King - ARM Linux admin [this message]
2020-05-07 19:38 ` Florian Fainelli
2020-05-07 20:08 ` [PATCH] arm: use SPARSMEM_STATIC when SPARSEMEM is enabled (Was: [PATCH 1/2] ARM: Remove redundant ARCH_SPARSEMEM_DEFAULT setting) Mike Rapoport
2020-05-08 20:20 ` Florian Fainelli
2020-05-07 20:29 ` [PATCH 1/2] ARM: Remove redundant ARCH_SPARSEMEM_DEFAULT setting Mike Rapoport
2020-05-07 20:47 ` Florian Fainelli
2020-05-08 21:41 ` Mike Rapoport
2020-05-08 21:45 ` Florian Fainelli
2020-05-06 23:50 ` [PATCH 2/2] ARM: Allow either FLATMEM or SPARSEMEM on the multiplatform build Florian Fainelli
2020-05-07 7:27 ` Mike Rapoport
2020-05-07 20:11 ` Florian Fainelli
2020-05-18 15:58 ` Florian Fainelli
2020-05-18 19:45 ` Mike Rapoport
2020-05-19 7:59 ` Arnd Bergmann
2020-05-19 14:43 ` Mike Rapoport
2020-05-19 15:04 ` Russell King - ARM Linux admin
2020-05-19 15:27 ` Mike Rapoport
2020-05-19 15:32 ` Arnd Bergmann
2020-05-19 16:54 ` Russell King - ARM Linux admin
2020-05-19 17:59 ` Mike Rapoport
2020-05-19 20:42 ` Arnd Bergmann
2020-05-21 2:45 ` Florian Fainelli
2020-05-21 7:47 ` Arnd Bergmann
2020-05-07 8:14 ` [PATCH 0/2] " Russell King - ARM Linux admin
2020-05-07 10:09 ` Mike Rapoport
2020-05-21 8:18 [PATCH 0/2] ARM: " Mike Rapoport
2020-05-21 8:18 ` [PATCH 1/2] ARM: Remove redundant ARCH_SPARSEMEM_DEFAULT setting Mike Rapoport
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