From: lee.jones@linaro.org (Lee Jones)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ARM: ux500: Enable HIGHMEM in the u8540 defconfig
Date: Fri, 31 May 2013 16:18:50 +0100 [thread overview]
Message-ID: <20130531151850.GC12488@gmail.com> (raw)
In-Reply-To: <38058740.G1EqTG95pA@wuerfel>
On Fri, 31 May 2013, Arnd Bergmann wrote:
> On Friday 31 May 2013 15:24:32 Lee Jones wrote:
> > In order to utilise all of the memory located on ux500 based devices
> > we have to enable HIGHMEM. Without it the kernel truncates memory down
> > to what's left after the PAGE_OFFSET has been applied, which doesn't
> > leave an awful lot, especially if we're running large rootfs' such
> > as full Linux desktop distributions or Android.
> >
> > Signed-off-by: Lee Jones <lee.jones@linaro.org>
>
> How much memory do those devices have? Enabling HIGHMEM is quite expensive.
Another 1GB.
> > diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> > index 5439925..808be06 100644
> > --- a/drivers/of/fdt.c
> > +++ b/drivers/of/fdt.c
>
> You should probably resend the patch without the second half that got
> in it by accident.
I did already, thanks.
--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
WARNING: multiple messages have this Message-ID (diff)
From: Lee Jones <lee.jones@linaro.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linus.walleij@stericsson.com,
srinidhi.kasagar@stericsson.com
Subject: Re: [PATCH 2/2] ARM: ux500: Enable HIGHMEM in the u8540 defconfig
Date: Fri, 31 May 2013 16:18:50 +0100 [thread overview]
Message-ID: <20130531151850.GC12488@gmail.com> (raw)
In-Reply-To: <38058740.G1EqTG95pA@wuerfel>
On Fri, 31 May 2013, Arnd Bergmann wrote:
> On Friday 31 May 2013 15:24:32 Lee Jones wrote:
> > In order to utilise all of the memory located on ux500 based devices
> > we have to enable HIGHMEM. Without it the kernel truncates memory down
> > to what's left after the PAGE_OFFSET has been applied, which doesn't
> > leave an awful lot, especially if we're running large rootfs' such
> > as full Linux desktop distributions or Android.
> >
> > Signed-off-by: Lee Jones <lee.jones@linaro.org>
>
> How much memory do those devices have? Enabling HIGHMEM is quite expensive.
Another 1GB.
> > diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> > index 5439925..808be06 100644
> > --- a/drivers/of/fdt.c
> > +++ b/drivers/of/fdt.c
>
> You should probably resend the patch without the second half that got
> in it by accident.
I did already, thanks.
--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2013-05-31 15:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-31 14:24 [PATCH 1/2] ARM: ux500: Allocate correct amount of memory for the u8540 in DT Lee Jones
2013-05-31 14:24 ` Lee Jones
2013-05-31 14:24 ` [PATCH 2/2] ARM: ux500: Enable HIGHMEM in the u8540 defconfig Lee Jones
2013-05-31 14:24 ` Lee Jones
2013-05-31 14:58 ` Lee Jones
2013-05-31 14:58 ` Lee Jones
2013-05-31 15:02 ` Arnd Bergmann
2013-05-31 15:02 ` Arnd Bergmann
2013-05-31 15:18 ` Lee Jones [this message]
2013-05-31 15:18 ` Lee Jones
2013-05-31 15:36 ` Arnd Bergmann
2013-05-31 15:36 ` Arnd Bergmann
2013-06-03 8:21 ` Lee Jones
2013-06-03 8:21 ` Lee Jones
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