From patchwork Tue Oct 27 11:29:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11860013 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F032914B2 for ; Tue, 27 Oct 2020 11:30:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD068222D9 for ; Tue, 27 Oct 2020 11:30:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603798256; bh=BP7DmwJKn81ZIeGVeKy2Y93BUEFg6s///fIAFdqxqhs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=MgjTW2VhTMgwd2tkgsTjdVYAYuf3JsG6Bpdm8rLImMY6Vr/3TjyLF6PYYbGOXEcPn 2XFxZufoKTpz7hZB1yB2tVHC96kXwjlRlDWx8XnPZ+/aQgUJZM1gVwDQncIlo454N3 P2a8KEy/iouyzbYA8v5p+DDfF7yZz1qduiinJgDg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750064AbgJ0Laz (ORCPT ); Tue, 27 Oct 2020 07:30:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:46080 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750055AbgJ0Lay (ORCPT ); Tue, 27 Oct 2020 07:30:54 -0400 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7C37F22265; Tue, 27 Oct 2020 11:30:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603798253; bh=BP7DmwJKn81ZIeGVeKy2Y93BUEFg6s///fIAFdqxqhs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SbVgzqyLZGaEEJhsw5gi/5jRd9/0c9DXPi5zwYHMMRWepFNuaawIMOywiIx7tf01c woZj8lHR8h1q/TwaKSunR3xAbHaCkjfhVzGAe4RSIj4B2AzIubiZcGelHwTcXwRwxQ oCXgfWKTZluSks77EWejdBQxbhQ9Fd1kFXgzrTAc= From: Mike Rapoport To: Andrew Morton Cc: Alexey Dobriyan , Catalin Marinas , Geert Uytterhoeven , Greg Ungerer , John Paul Adrian Glaubitz , Jonathan Corbet , Matt Turner , Meelis Roos , Michael Schmitz , Mike Rapoport , Mike Rapoport , Russell King , Tony Luck , Vineet Gupta , Will Deacon , linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mm@kvack.org, linux-snps-arc@lists.infradead.org Subject: [PATCH 07/13] ia64: make SPARSEMEM default and disable DISCONTIGMEM Date: Tue, 27 Oct 2020 13:29:49 +0200 Message-Id: <20201027112955.14157-8-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201027112955.14157-1-rppt@kernel.org> References: <20201027112955.14157-1-rppt@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org From: Mike Rapoport SPARSEMEM memory model suitable for systems with large holes in their phyiscal memory layout. With SPARSEMEM_VMEMMAP enabled it provides pfn_to_page() and page_to_pfn() as fast as FLATMEM. Make it the default memory model for IA-64 and disable DISCONTIGMEM which is considered obsolete for quite some time. Signed-off-by: Mike Rapoport --- arch/ia64/Kconfig | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 83de0273d474..6e67d6110249 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -288,6 +288,7 @@ config ARCH_SELECT_MEMORY_MODEL config ARCH_DISCONTIGMEM_ENABLE def_bool y + depends on BROKEN help Say Y to support efficient handling of discontiguous physical memory, for architectures which are either NUMA (Non-Uniform Memory Access) @@ -299,12 +300,11 @@ config ARCH_FLATMEM_ENABLE config ARCH_SPARSEMEM_ENABLE def_bool y - depends on ARCH_DISCONTIGMEM_ENABLE select SPARSEMEM_VMEMMAP_ENABLE -config ARCH_DISCONTIGMEM_DEFAULT +config ARCH_SPARSEMEM_DEFAULT def_bool y - depends on ARCH_DISCONTIGMEM_ENABLE + depends on ARCH_SPARSEMEM_ENABLE config NUMA bool "NUMA support"