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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B26AC433F5 for ; Wed, 24 Nov 2021 14:32:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355739AbhKXOfh (ORCPT ); Wed, 24 Nov 2021 09:35:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355017AbhKXOfa (ORCPT ); Wed, 24 Nov 2021 09:35:30 -0500 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB533C0A8893 for ; Wed, 24 Nov 2021 05:21:35 -0800 (PST) Received: by mail-pj1-x1032.google.com with SMTP id n15-20020a17090a160f00b001a75089daa3so5051517pja.1 for ; Wed, 24 Nov 2021 05:21:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:subject:to:cc:references:in-reply-to:mime-version :message-id:content-transfer-encoding; bh=ZZnceqICuZXQxPcm2fjZ+yNkedIH7ExOGImuK8kHxUU=; b=bGwnHyizE2euGF4OJfhTDD2tgzRvAWwF6PN/DkgD6CTp4z8K9eAW13Jav2pgjImfCK OSon47t018CdVGm9mwvb/92iEYY3llvVuiiZW7fYtR9jv7GbrAtRGtB7p9qqlaXU2Lqi ZGdLYeQHe9ZPJwI5yEtPPR5WbEApMhzyIgis689/J6Y/haHI6FN4DbeQoA11s9T24lyj W/TaflPrQrNy0nXT2rAVInzq+weBRQ+8Is7lcmA7fV5km70Xd8uF/yJQnvd983gJ0DiN GTFC4E0k8tzzeXwn8H4YWGoe67sR09wIqkHUQCsSB1hU0+VljxCfrne+wrRW2W19Blp7 2Yyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:subject:to:cc:references:in-reply-to :mime-version:message-id:content-transfer-encoding; bh=ZZnceqICuZXQxPcm2fjZ+yNkedIH7ExOGImuK8kHxUU=; b=UiGOGtOixftlox4YvfE8uRNzL9+fTl/szbrJRGN0TliUYz+s5DLwI5llhXa2s/zMKq 7a+qlH16canklJFPweNaxMbaCOor0ISMG6cATPxGwrrSCDV5yGG3h3Ywplvxg3/FP//y //BGeaiQbUGrjc3giynTZ3zFYBDMQUIRKyBfchqp8Cv4MUPpd6dTLdR3inJj6NVRX3Km 7WKdhEjiKfybW95CKZN0J9xM03u0kzn+ckV2LWjRgLu52AxoO8/nC4Pspt7X3OubABC2 cllRdIkkis6LjDK+/mirZsq5BIYUT4WLmHPjj+s4miCnXsn4Yq+afmCjgUJ5+MNczNZf OOHQ== X-Gm-Message-State: AOAM5308uHBr3cvJyis7FJU8lXOt5hfra0HyM3i1l7Pu1xA3J5PxLqfw 4+SFa3o73Uz1y3IDbx7bGq8= X-Google-Smtp-Source: ABdhPJz1FI1FMD+raRAIrvhT0VvCzZtUkPciJvFR7lj0nGhiV/h2EIZmuWty/vs4et/iSU5mts8Dqw== X-Received: by 2002:a17:902:c202:b0:142:2441:aa25 with SMTP id 2-20020a170902c20200b001422441aa25mr18417025pll.68.1637760095555; Wed, 24 Nov 2021 05:21:35 -0800 (PST) Received: from localhost ([124.170.11.53]) by smtp.gmail.com with ESMTPSA id j6sm17055518pfu.205.2021.11.24.05.21.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Nov 2021 05:21:34 -0800 (PST) Date: Wed, 24 Nov 2021 23:21:28 +1000 From: Nicholas Piggin Subject: Re: [PATCH 0/8] Convert powerpc to default topdown mmap layout To: alex@ghiti.fr, Benjamin Herrenschmidt , Christophe Leroy , Michael Ellerman , Paul Mackerras Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org References: In-Reply-To: MIME-Version: 1.0 Message-Id: <1637759994.e3mppl4ly7.astroid@bobo.none> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Excerpts from Christophe Leroy's message of November 22, 2021 6:48 pm: > This series converts powerpc to default topdown mmap layout. >=20 > powerpc provides its own arch_get_unmapped_area() only when > slices are needed, which is only for book3s/64. First part of > the series moves slices into book3s/64 specific directories > and cleans up other subarchitectures. >=20 > Then a small modification is done to core mm to allow > powerpc to still provide its own arch_randomize_brk() >=20 > Last part converts to default topdown mmap layout. A nice series but will clash badly with the CONFIG_HASH_MMU=20 series of course. One will have to be rebased if they are both to be merged. Thanks, Nick 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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EDA81C43219 for ; Wed, 24 Nov 2021 13:22:23 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4HzhWL2D9Vz307l for ; Thu, 25 Nov 2021 00:22:22 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=bGwnHyiz; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::1035; helo=mail-pj1-x1035.google.com; envelope-from=npiggin@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=bGwnHyiz; dkim-atps=neutral Received: from mail-pj1-x1035.google.com (mail-pj1-x1035.google.com [IPv6:2607:f8b0:4864:20::1035]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4HzhVX30BPz2yNW for ; Thu, 25 Nov 2021 00:21:38 +1100 (AEDT) Received: by mail-pj1-x1035.google.com with SMTP id h24so2546877pjq.2 for ; Wed, 24 Nov 2021 05:21:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:subject:to:cc:references:in-reply-to:mime-version :message-id:content-transfer-encoding; bh=ZZnceqICuZXQxPcm2fjZ+yNkedIH7ExOGImuK8kHxUU=; b=bGwnHyizE2euGF4OJfhTDD2tgzRvAWwF6PN/DkgD6CTp4z8K9eAW13Jav2pgjImfCK OSon47t018CdVGm9mwvb/92iEYY3llvVuiiZW7fYtR9jv7GbrAtRGtB7p9qqlaXU2Lqi ZGdLYeQHe9ZPJwI5yEtPPR5WbEApMhzyIgis689/J6Y/haHI6FN4DbeQoA11s9T24lyj W/TaflPrQrNy0nXT2rAVInzq+weBRQ+8Is7lcmA7fV5km70Xd8uF/yJQnvd983gJ0DiN GTFC4E0k8tzzeXwn8H4YWGoe67sR09wIqkHUQCsSB1hU0+VljxCfrne+wrRW2W19Blp7 2Yyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:subject:to:cc:references:in-reply-to :mime-version:message-id:content-transfer-encoding; bh=ZZnceqICuZXQxPcm2fjZ+yNkedIH7ExOGImuK8kHxUU=; b=VLfOQDDInXfEKU94lKSCI1tF8gP9DpXo8HWyplyTZLrjk10gosVKA35FBmhVVVI3Ej KUXcUDR0yJyvADBL62GlyipKLudIzhXESfkhE6XF8wjPP7SOnoameosam0zfEQEh/3BL 7CCuEDRkskSs6RTjbxFvwoGHDY8W0La4GHoEjKcCCHurj+durqv03BfTSF6GMDQDfepa ehgN04O65cIvpfzt/mnDcWP+fej6ZlR9xG1KriqZ4GFUz+MEZ/W/wcbrZZYbvrrdwIdp ZKjz2iv7NnQeJOgeujDZ3XTTFhiaVLgSL0I96rd8b36TcnlPCLYxHlMOVlt46soxrgvI 6TUA== X-Gm-Message-State: AOAM530S5fTI+x3SKxv+iTvXFOM7EAbgJmsDwO7Qa9LpAHDbNqnJUGlB Ij0VMzIiAoElpeqqpruWWUY= X-Google-Smtp-Source: ABdhPJz1FI1FMD+raRAIrvhT0VvCzZtUkPciJvFR7lj0nGhiV/h2EIZmuWty/vs4et/iSU5mts8Dqw== X-Received: by 2002:a17:902:c202:b0:142:2441:aa25 with SMTP id 2-20020a170902c20200b001422441aa25mr18417025pll.68.1637760095555; Wed, 24 Nov 2021 05:21:35 -0800 (PST) Received: from localhost ([124.170.11.53]) by smtp.gmail.com with ESMTPSA id j6sm17055518pfu.205.2021.11.24.05.21.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Nov 2021 05:21:34 -0800 (PST) Date: Wed, 24 Nov 2021 23:21:28 +1000 From: Nicholas Piggin Subject: Re: [PATCH 0/8] Convert powerpc to default topdown mmap layout To: alex@ghiti.fr, Benjamin Herrenschmidt , Christophe Leroy , Michael Ellerman , Paul Mackerras References: In-Reply-To: MIME-Version: 1.0 Message-Id: <1637759994.e3mppl4ly7.astroid@bobo.none> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable 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: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Excerpts from Christophe Leroy's message of November 22, 2021 6:48 pm: > This series converts powerpc to default topdown mmap layout. >=20 > powerpc provides its own arch_get_unmapped_area() only when > slices are needed, which is only for book3s/64. First part of > the series moves slices into book3s/64 specific directories > and cleans up other subarchitectures. >=20 > Then a small modification is done to core mm to allow > powerpc to still provide its own arch_randomize_brk() >=20 > Last part converts to default topdown mmap layout. A nice series but will clash badly with the CONFIG_HASH_MMU=20 series of course. One will have to be rebased if they are both to be merged. Thanks, Nick