From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6689EC43603 for ; Mon, 9 Dec 2019 11:15:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2A8A62077B for ; Mon, 9 Dec 2019 11:15:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="ICflxezx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727403AbfLILPe (ORCPT ); Mon, 9 Dec 2019 06:15:34 -0500 Received: from bilbo.ozlabs.org ([203.11.71.1]:41569 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727188AbfLILPe (ORCPT ); Mon, 9 Dec 2019 06:15:34 -0500 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 47WgbP58Jyz9sPT; Mon, 9 Dec 2019 22:15:29 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ellerman.id.au; s=201909; t=1575890132; bh=ivv4mE7Cr1A3kfsmagNzfPIiXMkqIAmjoGySHTdZaAc=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=ICflxezxfXgKJj2TRHo09PDXTraGDxZcWeBZTgTzH+exDGc5sfNSJtteSmALMo6wo +xGFAmmj9EMgYtJ3g0PR0ekeoO+N6Ros3jf/BcrWAyrO/l4o8gkoBlcKNVA0BMNk3P BkExbGo9kBfcQIgVHiXmwUgsyIK/DcisYja4s0FeDH0xtkT0uTcayOAnq8ygAkMGN1 MZuCTNGeZmxNUEu06CCARatSHqlxKRp4H9x3t3ZetkQduwregnmEb6ICzjAcUmeFnl vvHvM5TJNsW2k4oa3jTbFih+LomGYOdYWUulN+nXKTHZCDifgsXGktZo8oT5u56fT5 Pew9Pt07D3rUA== From: Michael Ellerman To: David Hildenbrand , linux-kernel@vger.kernel.org, Andrew Morton Cc: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, Alexander Duyck , Alexander Potapenko , Anshuman Khandual , Arun KS , Dan Williams , Greg Kroah-Hartman , Mel Gorman , Michal Hocko , Mike Rapoport , Oscar Salvador , Pavel Tatashin , Pingfan Liu , Qian Cai , "Rafael J. Wysocki" , Stephen Rothwell , Vlastimil Babka , Wei Yang Subject: Re: [PATCH v2 0/2] mm: remove the memory isolate notifier In-Reply-To: <990e19a3-b758-aaca-0ea2-c04e191cb6dc@redhat.com> References: <20191114131911.11783-1-david@redhat.com> <990e19a3-b758-aaca-0ea2-c04e191cb6dc@redhat.com> Date: Mon, 09 Dec 2019 22:15:28 +1100 Message-ID: <8736dtrbqn.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org David Hildenbrand writes: > On 14.11.19 14:19, David Hildenbrand wrote: >> This is the MM part of >> https://lkml.org/lkml/2019/10/31/487 >> >> "We can get rid of the memory isolate notifier by switching to balloon >> compaction in powerpc's CMM (Collaborative Memory Management). The memory >> isolate notifier was only necessary to allow to offline memory blocks that >> contain inflated/"loaned" pages - which also possible when the inflated >> pages are movable (via balloon compaction). [...]" >> >> Michael queued the POWERPC bits that remove the single user, but I am >> missing ACKs for the MM bits. I think it makes sense to let these two >> patches also go via Michael's tree, to avoid collissions. Thoughts? > > The prereqs (powerpc bits) are upstream - I assume Michael didn't want > to mess with MM patches. Yes, sorry I meant to send you a mail saying so. cheers From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4D90C43603 for ; Mon, 9 Dec 2019 11:18:10 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 545CE2077B for ; Mon, 9 Dec 2019 11:18:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="ICflxezx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 545CE2077B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47WgfS1dVXzDqRG for ; Mon, 9 Dec 2019 22:18:08 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47WgbS455KzDqQL for ; Mon, 9 Dec 2019 22:15:32 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="ICflxezx"; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 47WgbP58Jyz9sPT; Mon, 9 Dec 2019 22:15:29 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ellerman.id.au; s=201909; t=1575890132; bh=ivv4mE7Cr1A3kfsmagNzfPIiXMkqIAmjoGySHTdZaAc=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=ICflxezxfXgKJj2TRHo09PDXTraGDxZcWeBZTgTzH+exDGc5sfNSJtteSmALMo6wo +xGFAmmj9EMgYtJ3g0PR0ekeoO+N6Ros3jf/BcrWAyrO/l4o8gkoBlcKNVA0BMNk3P BkExbGo9kBfcQIgVHiXmwUgsyIK/DcisYja4s0FeDH0xtkT0uTcayOAnq8ygAkMGN1 MZuCTNGeZmxNUEu06CCARatSHqlxKRp4H9x3t3ZetkQduwregnmEb6ICzjAcUmeFnl vvHvM5TJNsW2k4oa3jTbFih+LomGYOdYWUulN+nXKTHZCDifgsXGktZo8oT5u56fT5 Pew9Pt07D3rUA== From: Michael Ellerman To: David Hildenbrand , linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: [PATCH v2 0/2] mm: remove the memory isolate notifier In-Reply-To: <990e19a3-b758-aaca-0ea2-c04e191cb6dc@redhat.com> References: <20191114131911.11783-1-david@redhat.com> <990e19a3-b758-aaca-0ea2-c04e191cb6dc@redhat.com> Date: Mon, 09 Dec 2019 22:15:28 +1100 Message-ID: <8736dtrbqn.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Qian Cai , Stephen Rothwell , Michal Hocko , Pavel Tatashin , Anshuman Khandual , Greg Kroah-Hartman , "Rafael J. Wysocki" , Mel Gorman , Pingfan Liu , linux-mm@kvack.org, Mike Rapoport , Arun KS , Wei Yang , Alexander Potapenko , Alexander Duyck , linuxppc-dev@lists.ozlabs.org, Dan Williams , Vlastimil Babka , Oscar Salvador Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" David Hildenbrand writes: > On 14.11.19 14:19, David Hildenbrand wrote: >> This is the MM part of >> https://lkml.org/lkml/2019/10/31/487 >> >> "We can get rid of the memory isolate notifier by switching to balloon >> compaction in powerpc's CMM (Collaborative Memory Management). The memory >> isolate notifier was only necessary to allow to offline memory blocks that >> contain inflated/"loaned" pages - which also possible when the inflated >> pages are movable (via balloon compaction). [...]" >> >> Michael queued the POWERPC bits that remove the single user, but I am >> missing ACKs for the MM bits. I think it makes sense to let these two >> patches also go via Michael's tree, to avoid collissions. Thoughts? > > The prereqs (powerpc bits) are upstream - I assume Michael didn't want > to mess with MM patches. Yes, sorry I meant to send you a mail saying so. cheers