linux-kernel - Re: [PATCH] x86: fix init_memory

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Message-ID: <20080629070833.GA4898@elte.hu>
Date:	Sun, 29 Jun 2008 09:08:33 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: fix init_memory_mapping over boundary v4


* Yinghai Lu <yhlu.kernel@...il.com> wrote:

> some end boundary is only page alignment, instead of 2M alignment,
> so call ker_phycial_mapping_init three times.
> then don't overmap above the max_low_pfn
> 
> v2: make init_memory_mapping more solid: start could be any value other than 0
> v3: fix NON PAE by handling left over in kernel_physical_mapping
> v4: revert back to v2, and use PMD_SHIFT to calculate boundary
>     also adjust size for pre-allocated table size

i've got v3 applied to tip/master and it worked well in testing - on the 
old, 512m RAM problem laptop too. So could you send v4 as a delta patch 
instead please, against tip/master?

	Ingo
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