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Thu, 8 Sep 2022 17:35:12 +0200 (CEST) Date: Thu, 8 Sep 2022 17:35:11 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Christophe Leroy Cc: Ash Logan , "paulus@samba.org" , "mpe@ellerman.id.au" , "robh+dt@kernel.org" , "benh@kernel.crashing.org" , "linuxppc-dev@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" , "j.ne@posteo.net" , "linux-mm@kvack.org" Subject: Re: [PATCH 11/12] powerpc: wiiu: don't enforce flat memory Message-ID: <20220908153511.57ceunyusziqfcav@pali> References: <20220302044406.63401-1-ash@heyquark.com> <20220302044406.63401-12-ash@heyquark.com> <20220513224353.n56qg5fhstbaqhfz@pali> <20220520080454.c3cqodsdbfbkmg56@pali> <935b426a-6c64-beb0-907f-8c3f0a089ab7@heyquark.com> <20220520123002.rd46p5ty6wumi7cc@pali> <20220609222420.ponpoodiqmaqtwht@pali> <20220808184034.lskqrk6z3gb5q76r@pali> <219cda7b-da4b-7a5a-9809-0878e0fc02ba@csgroup.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <219cda7b-da4b-7a5a-9809-0878e0fc02ba@csgroup.eu> User-Agent: NeoMutt/20180716 ARC-Message-Signature: i=1; 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dkim=pass header.d=kernel.org header.s=k20201202 header.b=jtuXUldp; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf06.hostedemail.com: domain of pali@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=pali@kernel.org X-Rspam-User: X-Rspamd-Server: rspam02 X-HE-Tag: 1662651317-143076 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 Thursday 08 September 2022 15:25:14 Christophe Leroy wrote: > Le 08/08/2022 à 20:40, Pali Rohár a écrit : > > On Friday 10 June 2022 00:24:20 Pali Rohár wrote: > >> On Friday 20 May 2022 14:30:02 Pali Rohár wrote: > >>> + linux-mm > >>> > >>> Do you know what are requirements for kernel to support non-contiguous > >>> memory support and what is needed to enable it for 32-bit powerpc? > >> > >> Any hints? > > > > PING? > > > > The tree following patches landed in powerpc/next branch, so they should > soon be visible in linux-next too: > > fc06755e2562 ("powerpc/32: Drop a stale comment about reservation of > gigantic pages") > b0e0d68b1c52 ("powerpc/32: Allow fragmented physical memory") > 0115953dcebe ("powerpc/32: Remove wii_memory_fixups()") Ou, nice! I will try to test it if it allows me to access more than 2GB of RAM from 4GB DDR3 module with 32-bit addressing mode on P2020 CPU.