Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: [PATCH] Revert "mm/cma: manage the memory of the CMA area by
 using the ZONE_MOVABLE"
To:     Ville Syrjala <ville.syrjala@linux.intel.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc:     "Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>,
        Tony Lindgren <tony@atomide.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Laura Abbott <lauraa@codeaurora.org>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Mel Gorman <mgorman@techsingularity.net>,
        Michal Hocko <mhocko@suse.com>,
        Michal Nazarewicz <mina86@mina86.com>,
        Minchan Kim <minchan@kernel.org>,
        Rik van Riel <riel@redhat.com>,
        Russell King <linux@armlinux.org.uk>,
        Will Deacon <will.deacon@arm.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org
References: <20180517125959.8095-1-ville.syrjala@linux.intel.com>
From:   Vlastimil Babka <vbabka@suse.cz>
Openpgp: preference=signencrypt
Autocrypt: addr=vbabka@suse.cz; prefer-encrypt=mutual; keydata=
 xsFNBFZdmxYBEADsw/SiUSjB0dM+vSh95UkgcHjzEVBlby/Fg+g42O7LAEkCYXi/vvq31JTB
 KxRWDHX0R2tgpFDXHnzZcQywawu8eSq0LxzxFNYMvtB7sV1pxYwej2qx9B75qW2plBs+7+YB
 87tMFA+u+L4Z5xAzIimfLD5EKC56kJ1CsXlM8S/LHcmdD9Ctkn3trYDNnat0eoAcfPIP2OZ+
 9oe9IF/R28zmh0ifLXyJQQz5ofdj4bPf8ecEW0rhcqHfTD8k4yK0xxt3xW+6Exqp9n9bydiy
 tcSAw/TahjW6yrA+6JhSBv1v2tIm+itQc073zjSX8OFL51qQVzRFr7H2UQG33lw2QrvHRXqD
 Ot7ViKam7v0Ho9wEWiQOOZlHItOOXFphWb2yq3nzrKe45oWoSgkxKb97MVsQ+q2SYjJRBBH4
 8qKhphADYxkIP6yut/eaj9ImvRUZZRi0DTc8xfnvHGTjKbJzC2xpFcY0DQbZzuwsIZ8OPJCc
 LM4S7mT25NE5kUTG/TKQCk922vRdGVMoLA7dIQrgXnRXtyT61sg8PG4wcfOnuWf8577aXP1x
 6mzw3/jh3F+oSBHb/GcLC7mvWreJifUL2gEdssGfXhGWBo6zLS3qhgtwjay0Jl+kza1lo+Cv
 BB2T79D4WGdDuVa4eOrQ02TxqGN7G0Biz5ZLRSFzQSQwLn8fbwARAQABzSFWbGFzdGltaWwg
 QmFia2EgPHZiYWJrYUBzdXNlLmNvbT7CwZcEEwEKAEECGwMFCwkIBwMFFQoJCAsFFgIDAQAC
 HgECF4ACGQEWIQSpQNQ0mSwujpkQPVAiT6fnzIKmZAUCWi/zTwUJBbOLuQAKCRAiT6fnzIKm
 ZIpED/4jRN/6LKZZIT4R2xoou0nJkBGVA3nfb+mUMgi3uwn/zC+o6jjc3ShmP0LQ0cdeuSt/
 t2ytstnuARTFVqZT4/IYzZgBsLM8ODFY5vGfPw00tsZMIfFuVPQX3xs0XgLEHw7/1ZCVyJVr
 mTzYmV3JruwhMdUvIzwoZ/LXjPiEx1MRdUQYHAWwUfsl8lUZeu2QShL3KubR1eH6lUWN2M7t
 VcokLsnGg4LTajZzZfq2NqCKEQMY3JkAmOu/ooPTrfHCJYMF/5dpi8YF1CkQF/PVbnYbPUuh
 dRM0m3NzPtn5DdyfFltJ7fobGR039+zoCo6dFF9fPltwcyLlt1gaItfX5yNbOjX3aJSHY2Vc
 A5T+XAVC2sCwj0lHvgGDz/dTsMM9Ob/6rRJANlJPRWGYk3WVWnbgW8UejCWtn1FkiY/L/4qJ
 UsqkId8NkkVdVAenCcHQmOGjRQYTpe6Cf4aQ4HGNDeWEm3H8Uq9vmHhXXcPLkxBLRbGDSHyq
 vUBVaK+dAwAsXn/5PlGxw1cWtur1ep7RDgG3vVQDhIOpAXAg6HULjcbWpBEFaoH720oyGmO5
 kV+yHciYO3nPzz/CZJzP5Ki7Q1zqBb/U6gib2at5Ycvews+vTueYO+rOb9sfD8BFTK386LUK
 uce7E38owtgo/V2GV4LMWqVOy1xtCB6OAUfnGDU2EM7BTQRWXZsWARAAyS3vr9khnfXSX3zU
 v2JIH8zP/aIwjAlIeekU7RYeIamGNm2qL1O1ZxQm4LH73YQpfVFpZbBMA6/jo+X38D+6b+7i
 Ea4f8otSBwHfTuV2mcwmo9OZjcsTsN01lq1i4mxA6fThBLJr/KDzW+kfq6lxN9/mEmhDjGIx
 cGWXvYY2Aa+QWNcMsIcXAwQWDx4ATrBvVAC5ezsuJwidNYgdMZr/1667W4jdUdxaASwYxT7N
 0rjbCfpvdEUbZ66+mGup+46su/ijlRlr1X8+4n4OYWz9AmRGe0pcCl2trZpWcxE3t2T9S0yR
 uMlCgEIU8edyGVtmhuDJ0PGzinlNYnUikdvJIfNHT0SkMdEeuwAnBArwEl+d35g6RnyQA0im
 fSTb/R6OiavZZzHm5ywrdFo0ZCcJi5cVM5YwPgh7hWtDVd3Wj644mbV1wXVcU2TyQPwG0D+m
 BARx9WEHmz2orqLZyGwolYrk/5VLuTv7N/bp9OkIVx5a+YwfNyalZvBbsR2Pu4cLVNaKHR80
 4IrZI4cX26hy8Obsnuaex4homJLR2ACl/DhBGyqv4MNMwmkHxihv+q08fzKQEkXrK0UTssnW
 eUfB0oNmZteVxphgurn2f5OtasseGhbp7DvQnsK3t7JLhzN/qu4jtZ+udqrY41axBAthI6Z6
 ShIddANj0Ly4T3u/Q4EAEQEAAcLBZQQYAQoADwUCVl2bFgIbDAUJAeEzgAAKCRAiT6fnzIKm
 ZLV4EACAu3CiyTMfJt8h85vKp86C/v1/UkcUeKwGyeVgXwdXOJH9U6uF25QCoeXd77qBb+7O
 Eksos+clgzz83WIP7R9VlfOg6NU5E+OBU1zpXpiUUwfK3n7lPnpfPN3iSVT8Qh55phuis4CZ
 PqqHbBh8FFh2wfJQzp69eQnkYlxADZ6S2/e6rUtaZQNWHUmNV3dbts1n6fAtWChQw6IOFQv0
 OzAWSNAjzk/AhS1a1jEcOD4L1AHtbQty0a6ajhwayl0MQGjD380R48mV24TQgHrb+8qoXF6A
 K9MC0W1KZaHZlcng1ArxnhKbRrTMInH/B+YaSSomayAPdt9rfnXlhy/FSRMAdAsa6Ui9wG+S
 8LyiV/EgMJzsTmQIJlF9plYd+G1QLQi8lP9C+lw6Wn92sJR5sQo719GUwXtozxOy5aVEfBy/
 hIYgXNwKMQEymAkiJAHunTmGDL0OrFY37+TvO+8Z3AcqnV04pCDzLkmDgbsBNwsqCoHRtNSh
 Gx2mu0G1U19yuDlQK92M+d4Dfb43IMuoT2c+zdMmUGeZMPhKgGc3BDBJ2UQyn2VCaxpDPgmx
 3x1zA7K5E/ZIqD5Oo71qTRRonRZ74w0JLDzgDSK7d9lLmtOobstclGT4hChSTblDuMGLFy8J
 dfyae8NugjBzvIomGBWOsmMGmCeB6tqPObIqLio3T8LBfAQYAQoAJgIbDBYhBKlA1DSZLC6O
 mRA9UCJPp+fMgqZkBQJaL/NjBQkFs4vNAAoJECJPp+fMgqZk50AQALKEAzCj6kLU6KH7dUZY
 16M74NCtpaMDO5/4Shwu+oS8H//b29GHtZVVGudfwBNmuIRSSxdpJkLsmqoLLEQTCzs2szH1
 r5+uOiZTuKbgx2HJNaCqoHuotPSOdoVsKg27UxbkJraqSNyzgex0kKNO8HQltdvF20MXvPFu
 IKc6/Y/NTWQqaamXQBZA6HoSQKfuJmM0zQy3SWdcuz79K2Q4ftR2VNuu8UYB0bfTD7LCTguP
 PpYC0ePRFmYuiMP5T8DA9NKYiN+71RtcAQTJM8WTidJQ3gaBG1s3kiyqBoqQvkLFExUOBTDi
 /qukcTh/deKpfaUSIrX+JbrlFIFcwQ0Ql3bAE24hu1nRkFiBSPcoDdDS7Iu3MOwZik3SL6ZH
 qGo/KlmKiqTyCAs0WgOHnzXeX18/sS048NuOCwqfjn5cbDdbThpX+vRoWBV/rrYMFPgHCigK
 Ertp0r/zjPaqFHtdxvChwmbTvu44ddRvcCR/3v1zmeUAtxw6guSlvmVDzLwr35czpGrbcydq
 FPbL9fuTVKAXvkmKzuY0ye5tmJAsyYqgV5l+jaGt6oFEGFj5XZQvO6ic5lmjTHz9b6lUg8at
 uInmlw5eLxByeMA81R3sJvNbtGfCcqQfVkJAn2S4RYpDtAKI7QM+ydrdH3STBRaC1IuD0YWr
 A3XDrKOXTZil3g8D
Message-ID: <8a672075-e188-0e72-6e48-dbec4583ef92@suse.cz>
Date:   Thu, 17 May 2018 15:15:22 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
 Thunderbird/52.7.0
MIME-Version: 1.0
In-Reply-To: <20180517125959.8095-1-ville.syrjala@linux.intel.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 05/17/2018 02:59 PM, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> This reverts commit bad8c6c0b1144694ecb0bc5629ede9b8b578b86e.
> 
> Make x86 with HIGHMEM=y and CMA=y boot again.

Um, any more details? This looks rather rash IMHO. Or was there some
previous discussion I haven't seen? We are at rc5 so it can still be
fixed rather than reverted?

> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> Cc: Tony Lindgren <tony@atomide.com>
> Cc: Vlastimil Babka <vbabka@suse.cz>
> Cc: Johannes Weiner <hannes@cmpxchg.org>
> Cc: Laura Abbott <lauraa@codeaurora.org>
> Cc: Marek Szyprowski <m.szyprowski@samsung.com>
> Cc: Mel Gorman <mgorman@techsingularity.net>
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Michal Nazarewicz <mina86@mina86.com>
> Cc: Minchan Kim <minchan@kernel.org>
> Cc: Rik van Riel <riel@redhat.com>
> Cc: Russell King <linux@armlinux.org.uk>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: linux-mm@kvack.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>