From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: Yongtaek Lee <ytk.lee@samsung.com>,
Nicolas Pitre <nicolas.pitre@linaro.org>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: Re: [PATCH] ARM: fix bug which VMALLOC_START is lowwer than 0xf0000000
Date: Thu, 3 Sep 2015 10:07:26 +0100 [thread overview]
Message-ID: <20150903090726.GV21084@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1441269272.3102.3.camel@pengutronix.de>
On Thu, Sep 03, 2015 at 10:34:32AM +0200, Lucas Stach wrote:
> Am Donnerstag, den 03.09.2015, 17:28 +0900 schrieb Yongtaek Lee:
> > As i know "vmalloc=size" is not mandatory so that i think default value of
> > vmalloc_min is wrong.
> >
> So, if we go and apply your logic to a 1GB system we should resize the
> vmalloc area to 0 bytes in order to avoid RAM truncation without
> CONFIG_HIGHMEM?
>
> Sorry, but the only sane options here are to either live with the
> truncation, enable CONFIG_HIGHMEM, or set vmalloc size manually.
> Changing a default value that affects everyone for the benefit of your
> specific use-case isn't a sane option.
Exactly right.
--
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.
prev parent reply other threads:[~2015-09-03 9:07 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-03 2:24 Yongtaek Lee
2015-09-03 5:11 ` [PATCH] ARM: fix bug which lowmem size is limited to 760MB Yongtaek Lee
2015-09-03 8:00 ` [PATCH] ARM: fix bug which VMALLOC_START is lowwer than 0xf0000000 Russell King - ARM Linux
2015-09-03 8:28 ` Yongtaek Lee
2015-09-03 8:34 ` Lucas Stach
2015-09-03 8:43 ` Yongtaek Lee
2015-09-03 9:10 ` Russell King - ARM Linux
2015-09-03 10:30 ` [PATCH] ARM: fix bug which lowmem size is limited to 760MB Yongtaek Lee
2015-09-04 1:24 ` Nicolas Pitre
2015-09-07 11:41 ` Arnd Bergmann
2015-09-07 15:34 ` Nicolas Pitre
2015-09-07 15:45 ` Arnd Bergmann
2015-09-07 15:49 ` Nicolas Pitre
2015-09-07 19:40 ` Nicolas Pitre
2015-09-08 0:10 ` Russell King - ARM Linux
2015-09-08 2:01 ` Nicolas Pitre
2015-09-08 8:03 ` Russell King - ARM Linux
2015-09-08 14:58 ` Nicolas Pitre
2015-09-03 9:07 ` Russell King - ARM Linux [this message]
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