linux-kernel - Re: [PATCH] mm/memblock: use memblock_insert

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Date:	Wed, 9 Dec 2015 10:59:40 -0800
From:	Tyler Baker <tyler.baker@...aro.org>
To:	Alexander Kuleshov <kuleshovmail@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Tony Luck <tony.luck@...el.com>,
	Tang Chen <tangchen@...fujitsu.com>,
	Pekka Enberg <penberg@...nel.org>,
	Wei Yang <weiyang@...ux.vnet.ibm.com>,
	Linux MM <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Kevin's boot bot" <khilman@...nel.org>,
	Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCH] mm/memblock: use memblock_insert_region() for the empty array

On 4 December 2015 at 23:23, Alexander Kuleshov <kuleshovmail@...il.com> wrote:
> We have the special case for an empty array in the memblock_add_range()
> function. In the same time we have almost the same functional in the
> memblock_insert_region() function. Let's use the memblock_insert_region()
> instead of direct initialization.
>
> Signed-off-by: Alexander Kuleshov <kuleshovmail@...il.com>

Just to add on to the report from Dan, the kernelci.org boot bot has
also detected ~65 new boot failures in next-20151209[1], which have
been bisected to this patch[2]. It doesn't revert cleanly, so I'm
going to try to clean it up by hand and see if it resolves the issue.

Cheers,

Tyler

[1] http://kernelci.org/boot/all/job/next/kernel/next-20151209/
[2] http://hastebin.com/ufiwonuraw.vhdl
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