linux-kernel - Re: [PATCH 5/4] x86/mm: Further simplify 1 GB kernel linear mappings handling

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Message-ID: <20150305082336.GC5969@gmail.com>
Date:	Thu, 5 Mar 2015 09:23:36 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Jan Beulich <JBeulich@...e.com>
Cc:	luto@...capital.net, tony@...mide.com, david.vrabel@...rix.com,
	"Luis R. Rodriguez" <mcgrof@...not-panic.com>, toshi.kani@...com,
	qiuxishi@...wei.com, x86@...nel.org, iamjoonsoo.kim@....com,
	tglx@...utronix.de, akpm@...ux-foundation.org,
	dave.hansen@...ux.intel.com, gregkh@...uxfoundation.org,
	julia.lawall@...6.fr, decui@...rosoft.com, mingo@...hat.com,
	Juergen Gross <JGross@...e.com>,
	Luis Rodriguez <Mcgrof@...e.com>, vbabka@...e.cz, bp@...e.de,
	pavel@....cz, linux-kernel@...r.kernel.org, hpa@...or.com
Subject: Re: [PATCH 5/4] x86/mm: Further simplify 1 GB kernel linear mappings
 handling


* Jan Beulich <JBeulich@...e.com> wrote:

> > +config X86_DIRECT_GBPAGES
> > +	def_bool (X86_64 && !DEBUG_PAGEALLOC && !KMEMCHECK)
> 
> config X86_DIRECT_GBPAGES
> 	def_bool y
> 	depends on X86_64 && !DEBUG_PAGEALLOC && !KMEMCHECK
> 
> or else it'll leave a pointless
> 
> # CONFIG_X86_DIRECT_GBPAGES is not set
> 
> in .config-s where the dependencies are not met.

Ok, fixed - thanks!

	Ingo
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