linux-kernel - Re: Warning from free_init

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Message-ID: <CALjAwxgCJ_ijXTAE+w4MozAu4wZc-57HmXWc74MYggXLi5D2oA@mail.gmail.com>
Date:   Sat, 29 Oct 2016 08:33:16 +0100
From:   Sitsofe Wheeler <sitsofe@...il.com>
To:     "H. Peter Anvin" <hpa@...or.com>
Cc:     Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Richard W.M. Jones" <rjones@...hat.com>,
        Randy Dunlap <rdunlap@...radead.org>
Subject: Re: Warning from free_init_pages with large initrd

On 27 September 2016 at 22:21, Sitsofe Wheeler <sitsofe@...il.com> wrote:
> On 27 September 2016 at 19:36, H. Peter Anvin <hpa@...or.com> wrote:
>> On September 27, 2016 3:20:06 AM PDT, Sitsofe Wheeler <sitsofe@...il.com> wrote:
>>>(See http://www.gossamer-threads.com/lists/linux/kernel/2534175 for
>>>the history of this thread )
>>>
>>>On 26 September 2016 at 20:00, Randy Dunlap <rdunlap@...radead.org>
>>>wrote:
>>>>
>>>> but the warning in free_init_pages() is about alignment, not size...
>>>> Maybe the concatenation is bad?
>>>
>>>What would l have to pull apart to be able to tell?

This turned out to be down to a bug in iPXE initrd alignment which is
fixed in https://git.ipxe.org/ipxe.git/commit/aa11f5deda29f91f5b8592965ed00f4a65002eff
and impacted any initrd.

-- 
Sitsofe | http://sucs.org/~sits/