linux-kernel - Re: [PATCH v5 12/13] x86, 64bit: Print init kernel lowmap correctly

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Message-ID: <20121222021428.GB3468@phenom.dumpdata.com>
Date:	Fri, 21 Dec 2012 21:14:28 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 12/13] x86, 64bit: Print init kernel lowmap correctly

On Fri, Dec 21, 2012 at 03:52:53PM -0800, Yinghai Lu wrote:
> On Fri, Dec 21, 2012 at 3:39 PM, Konrad Rzeszutek Wilk
> <konrad.wilk@...cle.com> wrote:
> > On Fri, Dec 21, 2012 at 02:44:39PM -0800, Yinghai Lu wrote:
> >>
> >> maybe we can change the subject of this patch to:
> >>
> >> Subject: [PATCH] x86, 64bit: Don't set max_pfn_mapped wrong on native boot path
> >
> > Or the inverse.
> >
> > Set max_pfn_mapped correctly on non-native boot path?
> >
> > But this patch is not actually touching max_pfn_mapped - it is vaddr_end?
> 
> No,
> 
> it is 0 for native path
> 
> 
> > So maybe:
> >
> > Subject: For platforms to set max_pfn_mapped, take that under advisement when blowing away __ka page entries.
                           ^^ that

> 
> hard to understand.
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