From patchwork Sun Nov 1 17:04:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11872167 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 16D8D1130 for ; Sun, 1 Nov 2020 17:05:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EBE212225C for ; Sun, 1 Nov 2020 17:05:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604250358; bh=BP7DmwJKn81ZIeGVeKy2Y93BUEFg6s///fIAFdqxqhs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=F/hRIRsPORrJaj74HhOo3NBHfMg4wyIZfdwDDqqo/9KkAlu2cAWz1by1OS++RcYPX Jviq/aFZ+QDP6pkZPPqT+Jy+wjoUQ4SmFBzW+yMjJdw5Y/14XVGqkuESoK66s8CLbU 3udHFqwY1akstVvP6vtNHgKN6ug/u80ng7qKswsQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727239AbgKARFw (ORCPT ); Sun, 1 Nov 2020 12:05:52 -0500 Received: from mail.kernel.org ([198.145.29.99]:39714 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727233AbgKARFt (ORCPT ); Sun, 1 Nov 2020 12:05:49 -0500 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 0898422242; Sun, 1 Nov 2020 17:05:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604250348; bh=BP7DmwJKn81ZIeGVeKy2Y93BUEFg6s///fIAFdqxqhs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jaTEbszp1CuUiJ+yaWla9bTyg/px5q89SxSWFAassJH80NOGLuWEEseD4BDDrsmfa EDZ7FlUm2Zw4TDjzYuGnFF8/TcBZD2f+rKYXNrWWj+NWVZCio/El+dWlObCBXmvq0g zY/ay84z1xQ7e1YX0J51Ko/cyispsqNnXb/bdmq4= 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 v2 07/13] ia64: make SPARSEMEM default and disable DISCONTIGMEM Date: Sun, 1 Nov 2020 19:04:48 +0200 Message-Id: <20201101170454.9567-8-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201101170454.9567-1-rppt@kernel.org> References: <20201101170454.9567-1-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"