linux-kernel - Re: [PATCH 2/2] kexec: add a pmd huge entry condition during the page table

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Message-ID: <5784540F.1030509@huawei.com>
Date:	Tue, 12 Jul 2016 10:21:03 +0800
From:	zhong jiang <zhongjiang@...wei.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] kexec: add a pmd huge entry condition during the
 page table

On 2016/7/12 4:25, Andrew Morton wrote:
> On Mon, 11 Jul 2016 14:36:01 +0800 zhongjiang <zhongjiang@...wei.com> wrote:
>
>> From: zhong jiang <zhongjiang@...wei.com>
>>
>> when image is loaded into kernel, we need set up page table for it.
>> and all valid pfn also set up new mapping. it will set up a pmd huge
>> entry if pud_present is true.  relocate_kernel points to code segment
>> can locate in the pmd huge entry in init_transtion_pgtable. therefore,
>> we need to take the situation into account.
> Sorry, I just don't understand this changelog.  The second sentence is
> particularly hard.
>
> So can you please have another attempt at preparing the changelog text?
> The resend the patches and this time be sure to Cc the kexec
> maintainers.  I suggest this list:
>
> Cc: kexec@...ts.infradead.org
> Cc: Eric Biederman <ebiederm@...ssion.com>
> Cc: Dave Young <dyoung@...hat.com>
> Cc: Vivek Goyal <vgoyal@...hat.com>
> Cc: Simon Horman <horms@...ge.net.au>
>
>
> .
>
 ok ,  I will modify the changelog and resend to this list. thanks.