linux-kernel - Re: [PATCHv2 2/2] arm: Get rid of meminfo

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Date:	Tue, 11 Feb 2014 10:47:54 +0100
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	Laura Abbott <lauraa@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	David Brown <davidb@...eaurora.org>,
	Daniel Walker <dwalker@...o99.com>,
	Jason Cooper <jason@...edaemon.net>,
	Andrew Lunn <andrew@...n.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Eric Miao <eric.y.miao@...il.com>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	linux-arm-kernel@...ts.infradead.org
Cc:	Nicolas Pitre <nicolas.pitre@...aro.org>,
	Grygorii Strashko <grygorii.strashko@...com>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	linux-arm-msm@...r.kernel.org, Will Deacon <will.deacon@....com>,
	linux-kernel@...r.kernel.org,
	Leif Lindholm <leif.lindholm@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Santosh Shilimkar <santosh.shilimkar@...com>
Subject: Re: [PATCHv2 2/2] arm: Get rid of meminfo

Hello,

On 2014-02-05 01:02, Laura Abbott wrote:
> memblock is now fully integrated into the kernel and is the prefered
> method for tracking memory. Rather than reinvent the wheel with
> meminfo, migrate to using memblock directly instead of meminfo as
> an intermediate.
>
> Signed-off-by: Laura Abbott <lauraa@...eaurora.org>

This patch fails with SPARSEMEM enabled (tested with v3.14-rc1, 
exynos4_defconfig + oldnoconfig):

arch/arm/mm/init.c: In function ‘free_unused_memmap’:
arch/arm/mm/init.c:442:10: error: ‘prev_bank_end’ undeclared (first use 
in this function)
arch/arm/mm/init.c:442:10: note: each undeclared identifier is reported 
only once for each function it appears in
make[1]: *** [arch/arm/mm/init.o] Error 1
make[1]: *** Waiting for unfinished jobs....


> ---
>   arch/arm/include/asm/mach/arch.h         |    4 +-
>   arch/arm/include/asm/memblock.h          |    3 +-
>   arch/arm/include/asm/setup.h             |   23 ------
>   arch/arm/kernel/atags_parse.c            |    5 +-
>   arch/arm/kernel/setup.c                  |   30 ++------
>   arch/arm/mach-clps711x/board-clep7312.c  |    7 +-
>   arch/arm/mach-clps711x/board-edb7211.c   |   10 +--
>   arch/arm/mach-clps711x/board-p720t.c     |    2 +-
>   arch/arm/mach-footbridge/cats-hw.c       |    2 +-
>   arch/arm/mach-footbridge/netwinder-hw.c  |    2 +-
>   arch/arm/mach-msm/board-halibut.c        |    6 --
>   arch/arm/mach-msm/board-mahimahi.c       |   13 +---
>   arch/arm/mach-msm/board-msm7x30.c        |    3 +-
>   arch/arm/mach-msm/board-sapphire.c       |   13 ++--
>   arch/arm/mach-msm/board-trout.c          |    8 +--
>   arch/arm/mach-orion5x/common.c           |    3 +-
>   arch/arm/mach-orion5x/common.h           |    3 +-
>   arch/arm/mach-pxa/cm-x300.c              |    3 +-
>   arch/arm/mach-pxa/corgi.c                |   10 +--
>   arch/arm/mach-pxa/eseries.c              |    9 +--
>   arch/arm/mach-pxa/poodle.c               |    8 +--
>   arch/arm/mach-pxa/spitz.c                |    9 +--
>   arch/arm/mach-pxa/tosa.c                 |    8 +--
>   arch/arm/mach-realview/core.c            |   11 +--
>   arch/arm/mach-realview/core.h            |    3 +-
>   arch/arm/mach-realview/realview_pb1176.c |    8 +--
>   arch/arm/mach-realview/realview_pbx.c    |   17 ++---
>   arch/arm/mach-s3c24xx/mach-smdk2413.c    |    8 +--
>   arch/arm/mach-s3c24xx/mach-vstms.c       |    8 +--
>   arch/arm/mach-sa1100/assabet.c           |    2 +-
>   arch/arm/mm/init.c                       |   61 ++++++----------
>   arch/arm/mm/mmu.c                        |  115 +++++++++---------------------
>   32 files changed, 133 insertions(+), 284 deletions(-)

(snipped)

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland

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