From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-171.mta1.migadu.com (out-171.mta1.migadu.com [95.215.58.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4BBD933B951 for ; Mon, 2 Mar 2026 11:09:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772449755; cv=none; b=HkcIBePK7G2r3i8YEAZCtq8ar/c3m/eKdzkS7IDCqy/hxvLn/TlgLmP7Nd7NNNVPDM8jFQTZLdjABgNrtjSd0KQJ489E9g0XxTy3NKQehimdz+Lxt160YkEYcUDzupBl203znmL5yKHTt5DvksminrVyKv3thZNLj8tcupt/W9Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772449755; c=relaxed/simple; bh=Zkxz08/LDrHk/y3pz/FJdC442E8l4NJ9XBu96XAbuSo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=citALOPvlboRRykTc0/o3pZHlYGyzx2yPPwAgifhyjIXFhc2apVvD0W1krnMsqDtyvM0rKObP8CTtu0muohRssotgjjswyXT951fzwhIW/kU7Jn+4+FhmXbrKUOiNMm/BCvSYXYOCybzvAf53qga5AVO/lloGVZ9gpgZLJHVV7E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=eHpzqh4T; arc=none smtp.client-ip=95.215.58.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="eHpzqh4T" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1772449740; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ALgtyZvM7U+ADKVcCq+vWsLwr98RElyoZqbUR3DonCk=; b=eHpzqh4TQFq6GsbuPnCpe5jSVHJ3YXMxlPIIhBK0jXo03V3jnRz3qkm5dHB/xKaM1ACva+ 2Y8OdZXsjeij5zDj3tbrLBIE+QRNrcPXZM4UgCJcT9WztqxJP4KNtYkPpB8oLLxlIXXWk+ kq5Y65mqoE25P4/NF5WJQn/9mPcWqZU= Date: Mon, 2 Mar 2026 11:08:52 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [RFC v2 00/21] mm: thp: lazy PTE page table allocation at PMD split Content-Language: en-GB To: Nico Pache Cc: Andrew Morton , david@kernel.org, lorenzo.stoakes@oracle.com, willy@infradead.org, linux-mm@kvack.org, fvdl@google.com, hannes@cmpxchg.org, riel@surriel.com, shakeel.butt@linux.dev, kas@kernel.org, baohua@kernel.org, dev.jain@arm.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, ryan.roberts@arm.com, Vlastimil Babka , lance.yang@linux.dev, linux-kernel@vger.kernel.org, kernel-team@meta.com, maddy@linux.ibm.com, mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, linux-s390@vger.kernel.org References: <20260226113233.3987674-1-usama.arif@linux.dev> <1d3a4e8e-9ea0-42e7-b8e7-d92fb27f80f4@linux.dev> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Usama Arif In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT >> Thanks for the build and looking into reviewing this. All comments >> and questions are welcome! I had only tested on x86, and I had a look >> at the link you shared so its great to know that powerPC and s390 are fine. > > Good news: as you noted all the builds succeeded, and the sanity tests > dont show any signs of an immediate issue across the architectures. > I'll proceed to debug kernels, and then performance testing. I will > try to start reviewing the actual code changes in depth next week :) Thank you!!