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

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Message-ID: <4b769fdb-77ed-3d6c-7383-4ae37104363a@suse.cz>
Date:   Mon, 6 Nov 2017 08:47:02 +0100
From:   Vlastimil Babka <vbabka@...e.cz>
To:     Stefan Wahren <stefan.wahren@...e.com>,
        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>,
        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

On 11/05/2017 10:56 PM, Stefan Wahren wrote:
> 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?

AFAIK it was accepted:
http://www.ozlabs.org/~akpm/mmotm/broken-out/mm-drop-migrate-type-checks-from-has_unmovable_pages.patch

So I'd expect it to be in current linux-next as well.

> Is this an issue in dwc2?
> 
> Best regards
> Stefan
>