Re: [bisected] DEBUG_PAGEALLOC hangs on sparc64

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To: James Clarke <jrtc27@xxxxxxxxxx>, David Miller <davem@xxxxxxxxxxxxx>
Subject: Re: [bisected] DEBUG_PAGEALLOC hangs on sparc64
From: Meelis Roos <mroos@xxxxxxxx>
Date: Thu, 30 May 2019 10:43:12 +0300
Cc: rick.p.edgecombe@xxxxxxxxx, Sparc kernel list <sparclinux@xxxxxxxxxxxxxxx>
In-reply-to: <57385AAB-C9A1-46AD-B743-445D4ECCA902@jrtc27.com>
References: <86e9d84e-cffa-0bae-f575-7cf6789f5fb8@linux.ee> <20190529.132340.1951054150778994386.davem@davemloft.net> <896BE8F9-F2AF-4138-B44D-512C615B9910@jrtc27.com> <57385AAB-C9A1-46AD-B743-445D4ECCA902@jrtc27.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

Meelis, could you please try the attached patch to see if it fixes the issue?


It also fixes latest git with DEBUG_PAGEALLOC on V445.

--
Meelis Roos <mroos@xxxxxxxx>

References:
- [bisected] DEBUG_PAGEALLOC hangs on sparc64
  - From: Meelis Roos
- Re: [bisected] DEBUG_PAGEALLOC hangs on sparc64
  - From: David Miller
- Re: [bisected] DEBUG_PAGEALLOC hangs on sparc64
  - From: James Clarke
- Re: [bisected] DEBUG_PAGEALLOC hangs on sparc64
  - From: James Clarke

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