linux-kernel - Re: [1/2] mm: drop migrate type checks from has_unmovable

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Date:   Sun, 5 Nov 2017 22:56:32 +0100 (CET)
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Joonsoo Kim <iamjoonsoo.kim@....com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-mm@...ck.org, Michael Ellerman <mpe@...erman.id.au>,
        Vlastimil Babka <vbabka@...e.cz>,
        Andrew Morton <akpm@...ux-foundation.org>,
        KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
        Reza Arbab <arbab@...ux.vnet.ibm.com>,
        Yasuaki Ishimatsu <yasu.isimatu@...il.com>,
        qiuxishi@...wei.com, Igor Mammedov <imammedo@...hat.com>
Subject: Re: [1/2] mm: drop migrate type checks from has_unmovable_pages

Hi Michal,

the dwc2 USB driver on BCM2835 in linux-next is affected by the CMA allocation issue. A quick web search guide me to your patch, which avoid the issue.

Since the patch wasn't accepted, i want to know is there another solution?
Is this an issue in dwc2?

Best regards
Stefan