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In-Reply-To: <1449300220-30108-1-git-send-email-kuleshovmail@gmail.com>
References: <1449300220-30108-1-git-send-email-kuleshovmail@gmail.com>
Date: Wed, 9 Dec 2015 10:59:40 -0800
Message-ID: <CANMBJr7U3DfsRC4ATx0=d6pVFXGJJAB2qs2sRS1dZ3xV5csZzg@mail.gmail.com>
Subject: Re: [PATCH] mm/memblock: use memblock_insert_region() for the empty array
From: Tyler Baker <tyler.baker@linaro.org>
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To: Alexander Kuleshov <kuleshovmail@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Tony Luck <tony.luck@intel.com>, Tang Chen <tangchen@cn.fujitsu.com>, Pekka Enberg <penberg@kernel.org>, Wei Yang <weiyang@linux.vnet.ibm.com>, Linux MM <linux-mm@kvack.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Kevin's boot bot <khilman@kernel.org>, Dan Williams <dan.j.williams@intel.com>

On 4 December 2015 at 23:23, Alexander Kuleshov <kuleshovmail@gmail.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@gmail.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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