linux-kernel - Re: [PATCH] Revert "mm/cma: manage the memory of the CMA area by using the ZONE

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Message-ID: <20180517133629.GH23723@intel.com>
Date:   Thu, 17 May 2018 16:36:29 +0300
From:   Ville Syrjälä <ville.syrjala@...ux.intel.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Joonsoo Kim <iamjoonsoo.kim@....com>,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.vnet.ibm.com>,
        Tony Lindgren <tony@...mide.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Johannes Weiner <hannes@...xchg.org>,
        Laura Abbott <lauraa@...eaurora.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Michal Nazarewicz <mina86@...a86.com>,
        Minchan Kim <minchan@...nel.org>,
        Rik van Riel <riel@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        Will Deacon <will.deacon@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "mm/cma: manage the memory of the CMA area by
 using the ZONE_MOVABLE"

On Thu, May 17, 2018 at 03:21:09PM +0200, Michal Hocko wrote:
> On Thu 17-05-18 15:59:59, Ville Syrjala wrote:
> > From: Ville Syrjälä <ville.syrjala@...ux.intel.com>
> > 
> > This reverts commit bad8c6c0b1144694ecb0bc5629ede9b8b578b86e.
> > 
> > Make x86 with HIGHMEM=y and CMA=y boot again.
> 
> Is there any bug report with some more details? It is much more
> preferable to fix the issue rather than to revert the whole thing
> right away.

The machine I have in front of me right now didn't give me anything.
Black screen, and netconsole was silent. No serial port on this
machine unfortunately.

-- 
Ville Syrjälä
Intel