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t=1793110428; bh=Smq8QLRfkjBN1obmOVmOeJFl6fXBs9WJMR4nvP90F6g=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=dYy1lsbiYvg7GAPH7+g3JyCzJUoe2oGUGJRFEtAsjImqhsHKdo4N6djWKbkA9JZMN AH+B5K8qeFwE2L00i8BZxLpcpnlFpfuZoYV0TmIlmdPmpMYDslQ0c1o1r3h10zVEL6 bm66SNK7NPVadUBQFq/64vHdKxKSVdp2YfuffXMgAwcrV2o41qYy4G59dxWPwKgIEl gHRWfvJht0JTe2qsHlhmi1sRp38Ec05zEFMYe7ZPDJYXVXsOxJqZEzNhIH8t7ac6ok dmWXjLYdt2M7krxZNWgwn8I3ug5/B+8iLFi8AU89KioGpxPKV7gC5Nf9CXQbznFlZt 1mQj0C4Ytpv6A== Message-ID: <6f5aaf2b-894c-4306-a0b2-e56f815d0a89@kernel.org> Date: Tue, 27 Oct 2026 15:13:40 +0100 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/6] mm/page_alloc: don't undo another isolation in alloc_contig_range To: "Gregory Price (Meta)" Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org, kernel-team@meta.com, akpm@linux-foundation.org, vbabka@kernel.org, surenb@google.com, mhocko@suse.com, brendan.jackman@linux.dev, hannes@cmpxchg.org, ziy@nvidia.com, linmiaohe@huawei.com, nao.horiguchi@gmail.com, ljs@kernel.org, liam@infradead.org, rppt@kernel.org, osalvador@suse.de, muchun.song@linux.dev, iamjoonsoo.kim@lge.com, anshuman.khandual@arm.com, stable@vger.kernel.org References: <20261027042204.3741307-1-gourry@gourry.net> <20261027042204.3741307-5-gourry@gourry.net> <179310997463.2232644.3260379218896917308.b4-reply@b4> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: 8A2328000E X-Stat-Signature: cm1o8ogqfwe4axhpo1icyzbfkqmqfune X-Rspamd-Server: rspam01 X-Spam-Status: No, score=-7.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-HE-Tag: 1793110429-18488 X-HE-Meta: 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 KzfKM9gC esuOTFmh9yuTpW1qnWnyUJ1TSxRkrDlYhHFImvoELgnPGOi11Y0oeo/GdmGhKr1v62vrw6aOXmpQlTTYzau1qI4cMmL43Uawtncikc1rD1SgiGUle9m/K/ScG36pf2n/23vgovBoFLQ3CWWtYr3hMy1SWCp452yDG2wA2/Y+1pru5Up5zsljcFPBuUzW62HdD5X8pyMGESIvuXJ91ho/XrBXdETlvtQu+BAKhJ2odDbD2riJU1rPcSScY8TxmOZbCJVPHkZX2GU9TJWJYjK5gh1Zfxq5MJ2s5ro2ZIWJ9UXFBfVcL8vtdzhwFApzQreKjfarcgBO4dAO4CzBaxMf/5c7+PKY88u8GTzHKgsbheBlIGoYj8wIEOWIvSJez0AxaHrng Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 10/27/26 15:06, Gregory Price (Meta) wrote: > On 2026-10-27 14:37 +0100, David Hildenbrand (Arm) wrote: >> On 10/27/26 05:22, Gregory Price (Meta) wrote: >> >> We have an existing AI fix for that as well already handled by Vlasta. >> >> I think we'll have to establish some model of "ask David first before posting" >> because otherwise we just create duplicate work for everyone. >> > > Yeah, this is going to happen more. > > I've been sitting in these patches for over a month while they soaked on > hardware getting performance tests. I mean this fix here is really just independent and shouldn't wait that long :) > > Maybe worth a private tree we can rebase on regularly for these kinds of > un-vetted/posted fixes to see what's coming? Maybe. But if it's just us core people we can just talk on IRC etc (like Zi did two days ago when he was about to post something that I already had on my queue). -- Cheers, David