linux-kernel - Re: [PATCHv4 2/2] arm: Get rid of meminfo

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Date:	Tue, 18 Feb 2014 18:49:04 -0500 (EST)
From:	Nicolas Pitre <nicolas.pitre@...aro.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
cc:	Laura Abbott <lauraa@...eaurora.org>,
	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, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	Leif Lindholm <leif.lindholm@...aro.org>,
	Grygorii Strashko <grygorii.strashko@...com>,
	Catalin Marinas <catalin.marinas@....com>,
	Rob Herring <robherring2@...il.com>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Will Deacon <will.deacon@....com>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
	Courtney Cavin <courtney.cavin@...ymobile.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCHv4 2/2] arm: Get rid of meminfo

On Tue, 18 Feb 2014, Russell King - ARM Linux wrote:

> On Tue, Feb 18, 2014 at 02:15:33PM -0800, 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.
> 
> >  #define NR_BANKS	CONFIG_ARM_NR_BANKS
> >  
> > -struct membank {
> > -	phys_addr_t start;
> > -	phys_addr_t size;
> > -	unsigned int highmem;
> > -};
> > -
> > -struct meminfo {
> > -	int nr_banks;
> > -	struct membank bank[NR_BANKS];
> > -};
> 
> Doesn't this make NR_BANKS (and CONFIG_ARM_NR_BANKS) unused?

Still used in atag_to_fdt.c but I just sent a patch moving it there.


Nicolas
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