linux-kernel - Re: [PATCH 1/3] memblock, nobootmem: Add memblock_virt_alloc

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Message-ID: <CAE9FiQUa3uKZNc=5fiuvcR4bjEeQ3=RuhFVxUyKyMsJwe2YurA@mail.gmail.com>
Date:	Tue, 28 Jan 2014 11:43:02 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Kevin Hilman <khilman@...aro.org>, Olof Johansson <olof@...om.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Dave Hansen <dave.hansen@...el.com>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: [PATCH 1/3] memblock, nobootmem: Add memblock_virt_alloc_low()

On Tue, Jan 28, 2014 at 9:18 AM, Russell King - ARM Linux
<linux@....linux.org.uk> wrote:
> On Tue, Jan 28, 2014 at 09:12:27AM -0800, Yinghai Lu wrote:
>> On Tue, Jan 28, 2014 at 7:30 AM, Kevin Hilman <khilman@...aro.org> wrote:
>> > Like Olof, I noticed multiple boot failures on various ARM boards.
>> > I've confirmed that reverting the arch/arm part of this patch makes
>> > them all happily booting again.
>>
>> please try attached patch.
>
> Maybe I'm missing something, but there is no ARCH_LOW_ADDRESS_LIMIT
> defined in the ARM header files, so I don't see how adding that
> additional include changes anything.

there is one for arm64 and s390.

arch/arm64/include/asm/processor.h:#define ARCH_LOW_ADDRESS_LIMIT       PHYS_MAS
arch/s390/include/asm/processor.h:#define ARCH_LOW_ADDRESS_LIMIT        0x7fffff
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