From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0A5FC3C276E for ; Sat, 11 Jul 2026 12:15:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783772108; cv=none; b=NMe1N2Tb90whxdjRJlsoSUHo66/20nH3Pd+5n2J/YQYAGGRB6EkowZsXpydNlN09itgl1RNdRQmhUxKaNbxfYiLeN7Sw+Ic/8DiMqEST+xvYEKP2a4hBgOWCOsG0r+g3VuxdEsQLYOsd912rCANbnXym3Hu/6X9s8uX/G8ook+U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783772108; c=relaxed/simple; bh=F/ziK+aYyEo8PRUERwubyag4Ur59hUdVZDJM2fNt8Dk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=i8Um5qAB58vSUTqFrX27+vCk1+LcfEQFhcicBaeTlT8pFFlg0VMaUTEbyJYU/37pTiLLYG0+d7C/F+biW7t58pKtNQSyxm4KzZksKQlCGXcaTwNmyTLLBuiuOfJF5K0Itf6RQdi8RPoWUlLIxrj81PELyAKsAm0OwboKkZ4DXdQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=aAWb8hip; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="aAWb8hip" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 755421682; Sat, 11 Jul 2026 05:14:53 -0700 (PDT) Received: from [10.163.130.35] (unknown [10.163.130.35]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 114533F7B4; Sat, 11 Jul 2026 05:14:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1783772097; bh=F/ziK+aYyEo8PRUERwubyag4Ur59hUdVZDJM2fNt8Dk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=aAWb8hipmFXsiY9MA0Qe+KtOdGRg2sgvYwXOX5q7f+W5W8N0fsXtCMW93MTV2o3/8 CVVEz6AY/ir6agdcy+VI+QntuBuY1/noON6RtLfd1Eh49d3+zzvCAlDzDlTj3LOx6K BqNNKYJv/G5jcJXkZbVK3gAuGu96CkUF4kPtxQoo= Message-ID: <7b21094b-fb68-4cb2-8df6-30f6b6dcf0c3@arm.com> Date: Sat, 11 Jul 2026 17:44:49 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 5/5] mm/rmap: add anon folio unmap dispatcher To: Andrew Morton Cc: "David Hildenbrand (Arm)" , ljs@kernel.org, muchun.song@linux.dev, osalvador@suse.de, riel@surriel.com, liam@infradead.org, vbabka@kernel.org, harry@kernel.org, jannh@google.com, lance.yang@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, ryan.roberts@arm.com, anshuman.khandual@arm.com References: <20260710055915.638659-1-dev.jain@arm.com> <20260710055915.638659-6-dev.jain@arm.com> <00467fbf-0360-47be-94bc-d1456323e5a1@kernel.org> <42300e6c-523b-4f58-98f7-672ce9173fe2@arm.com> <20260710173519.d7659f9705afa37ad62e7bbb@linux-foundation.org> Content-Language: en-US From: Dev Jain In-Reply-To: <20260710173519.d7659f9705afa37ad62e7bbb@linux-foundation.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/07/26 6:05 am, Andrew Morton wrote: > On Fri, 10 Jul 2026 18:43:14 +0530 Dev Jain wrote: > >> Andrew, could you you squash this diff: > > I think I'll await v3, please. I'm getting a big reject in rmap.c and > methinks we're all a bit firehosed at present. Okay. > > Are we all agreed that we'll be "batching anonymous large folio > unmapping to optimize it"? If not, is this series pointful? Even in the impossible case that we don't go ahead with the batching, this is useful on its own. Just see what try_to_unmap_one looks before and after :) >