From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=213.95.11.211 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793198515; b=i2xxr20ekIMYlLVHJncvL7AW9CNqsswN1RuGUBLFHsUQikYpUQUYFv9Ri6he0cmstaOp UPoEi8y7OWhKZHFl1xl+kZL4KqQ6jMVNUfICTISPsNs3lO5bdwBw/kpVmxSQRzYtJhyfb /vuG3amTK8zyg/BEPZ4C2tg4cRO7P8X/cAaDQBl1i7frjD2JeOnMq+pQscXIs1396nae7 FvjXj9VyhpTg4kSzorHdgdZeVeq9PPYomVsvuJ9IVzAJf+9P8JUbQw9jYdUEyU8bVlG1C kJdt/U4d4cLwXNFbh5zxW8CieYPilUXD0aAk0KjAcu/tm+7dlSkuLPFUV8LPaiXZyUA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793198515; h=DMARC-Filter:Received:Date:From:To:Cc:Subject:Message-ID:References: MIME-Version:Content-Type:Content-Disposition:In-Reply-To:User-Agent; bh=8RJ2Yn7WpwUCye9rkv6tfQ0zZ5Kyo7robmi/5qT0aAk=; b=LRevH982gKLUHz2Z9MHT8uglZHTOQ1uWhgEzsc4Wmdn/h3o12I6hpZ7BQh8JQoFOaLGQ 1SvdmcXqX9ZGq+naddLYRIhTrmujHOUaNO3UAxITMAquBAAH6DkWhswSFJXxyDf+hrZBz U4R9vJDTxrB1o+cd4p22wIX5A/GsI67bx/1oM6mAnQsQtttZdqXNm0GW+c6kVYck91Dht PfjBNk0dmb8NaU2Hrin7TanQmSaYcBe1JJmfc6+NqmlJWyVc1g/4QnLafgRYoUbmrcHtD 7GNVzQthJZddGrUFFPr1c3EQfDLmpj+9d1ndZXVb8nxgl0+WGsZ8dih7GiKpghpLCYw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.remote-ip=213.95.11.211 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 254E6606A31E; Wed, 28 Oct 2026 14:41:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 254E6606A31E Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id C578F68AFE; Wed, 28 Oct 2026 15:41:48 +0100 (CET) Date: Wed, 28 Oct 2026 15:41:48 +0100 From: Christoph Hellwig To: Salvatore Dipietro Cc: hannes@cmpxchg.org, abuehaze@amazon.com, akpm@linux-foundation.org, alisaidi@amazon.com, blakgeof@amazon.com, brauner@kernel.org, brendan.jackman@linux.dev, david@redhat.com, dgc@kernel.org, dipietro.salvatore@gmail.com, djwong@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-xfs@vger.kernel.org, matt@readmodwrite.com, mhocko@suse.com, ritesh.list@gmail.com, rvvandan@amazon.com, stable@vger.kernel.org, surenb@google.com, vbabka@kernel.org, willy@infradead.org, ziy@nvidia.com Subject: Re: [PATCH 1/2] mm: page_alloc: do not give all non-blocking requests reserve access Message-ID: <20261028144148.GA14023@lst.de> References: <20261027150002.318916-1-dipiets@amazon.it> X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261027150002.318916-1-dipiets@amazon.it> User-Agent: Mutt/1.5.17 (2007-11-01) On Tue, Oct 27, 2026 at 03:00:02PM +0000, Salvatore Dipietro wrote: > > Hi Johannes, > > Vlastimil asked that v6 of my page_alloc patch [1] not go to mainline > before these two patches land, so Andrew parked v6 at the tail of > mm-unstable and dropped its Cc: stable until then. > > Are you still planning to work on 1/2 and 2/2, and if so, do you have > a rough ETA? Or would you rather post them as a separate series as > they are? If anything is needed on my side to move them forward, I'm > happy to help. > > For what it's worth, I ran both stacked under v6 on v7.3-rc1 and saw > no performance difference on my benchmark with or without them. It would be really important to get some fix for this into 7.3. We can still perfect it later.