linux-kernel - Re: [PATCH] ARM: ux500: Enable HIGHMEM in the u8540 defconfig

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Message-ID: <CACRpkdZ4EwEgH596VPVvzWYhi054237mZruhEsdZYdwvdPvRyw@mail.gmail.com>
Date:	Tue, 4 Jun 2013 11:19:39 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Linus WALLEIJ <linus.walleij@...ricsson.com>,
	Srinidhi KASAGAR <srinidhi.kasagar@...ricsson.com>
Subject: Re: [PATCH] ARM: ux500: Enable HIGHMEM in the u8540 defconfig

On Fri, May 31, 2013 at 5:09 PM, Lee Jones <lee.jones@...aro.org> 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@...aro.org>

Patch applied, but I renamed the topic arch to u8500
as the defconfig is named as such.

Yours,
Linus Walleij
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