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Sat, 31 Jul 2021 09:19:15 +0000 (GMT) Date: Sat, 31 Jul 2021 12:19:13 +0300 From: Mike Rapoport To: Matt Turner Cc: Michael Cree , linux-mm@kvack.org, linux-alpha , LKML Subject: Re: Regression bisected to fa3354e4ea39 (mm: free_area_init: use maximal zone PFNs rather than zone sizes) Message-ID: References: <20210726192311.uffqnanxw3ac5wwi@ivybridge> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-GUID: AxbwOAlgTTu-wCGYwBmM3qGCe3OD30sN X-Proofpoint-ORIG-GUID: MJwEW2mI35ujpAAPn6_iP0y15ujHymB5 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.790 definitions=2021-07-31_05:2021-07-30,2021-07-31 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 mlxlogscore=868 priorityscore=1501 bulkscore=0 malwarescore=0 mlxscore=0 impostorscore=0 clxscore=1011 adultscore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2107310046 Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=ZuvXTLUB; dmarc=pass (policy=none) header.from=ibm.com; spf=pass (imf06.hostedemail.com: domain of rppt@linux.ibm.com designates 148.163.156.1 as permitted sender) smtp.mailfrom=rppt@linux.ibm.com X-Stat-Signature: guxtdxo1xp5ipocruw9eia4heofdgsdx X-Rspamd-Queue-Id: 8D9A080247E1 X-Rspamd-Server: rspam01 X-HE-Tag: 1627724482-245351 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jul 30, 2021 at 12:53:58PM -0700, Matt Turner wrote: > On Tue, Jul 27, 2021 at 1:41 PM Mike Rapoport wrote: > > On Tue, Jul 27, 2021 at 12:24:26PM -0700, Matt Turner wrote: > > > > > > Thanks, this patch fixes it. With the patch applied, I see > > > > > > Zone ranges: > > > DMA [mem 0x0000000000000000-0x00000fffffffdfff] > > > Normal empty > > > Movable zone start for each node > > > Early memory node ranges > > > node 0: [mem 0x0000000000000000-0x00000001ffffffff] > > > node 0: [mem 0x0000000400000000-0x00000005ffffffff] > > > Initmem setup node 0 [mem 0x0000000000000000-0x00000005ffffffff] > > > > > > If you want to send me this patch with your S-o-b I'll take it through > > > my alpha git tree. > > > > The patch is on its way :) > > Thanks a bunch, Mike, for the patch and for all you do! > > > Now I'm really curios how commit e7793e53901b ("arc: update comment about > > HIGHMEM implementation") will work out. Oh, sure, I've copied the wrong line from the log :) > You probably mean fdb7d9b7acd0 ("alpha: remove DISCONTIGMEM and > NUMA"). Works well so far! > > Maybe in some alternative universe where I have infinite free time > (and my own power plant!) I'll get a second AlphaServer ES47 with the > enormous "hose" [1] to link the two and I'll poke you for guidance on > restoring NUMA support :) Heh, I'm not sure that restoring NUMA on alpha is really good use for free time even if it were infinite :) -- Sincerely yours, Mike.