From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f198.google.com (mail-io0-f198.google.com [209.85.223.198]) by kanga.kvack.org (Postfix) with ESMTP id 7989C6B0297 for ; Mon, 24 Apr 2017 06:05:02 -0400 (EDT) Received: by mail-io0-f198.google.com with SMTP id l21so220900377ioi.2 for ; Mon, 24 Apr 2017 03:05:02 -0700 (PDT) Received: from mail-io0-x243.google.com (mail-io0-x243.google.com. [2607:f8b0:4001:c06::243]) by mx.google.com with ESMTPS id t70si10857792itb.60.2017.04.24.03.05.01 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Apr 2017 03:05:01 -0700 (PDT) Received: by mail-io0-x243.google.com with SMTP id k87so47499393ioi.0 for ; Mon, 24 Apr 2017 03:05:01 -0700 (PDT) From: Oliver O'Halloran Subject: [resend PATCH v2] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig Date: Mon, 24 Apr 2017 20:04:34 +1000 Message-Id: <20170424100434.890-1-oohall@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: x86@kernel.org Cc: Oliver O'Halloran , linux-mm@kvack.org Currently ZONE_DEVICE depends on X86_64 and this will get unwieldly as new architectures (and platforms) get ZONE_DEVICE support. Move to an arch selected Kconfig option to save us the trouble. Cc: x86@kernel.org Cc: linux-mm@kvack.org Signed-off-by: Oliver O'Halloran --- v2: Added missing hunk. --- arch/x86/Kconfig | 1 + mm/Kconfig | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index a694d0002758..84ac36ca3b42 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -58,6 +58,7 @@ config X86 select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_UBSAN_SANITIZE_ALL + select ARCH_HAS_ZONE_DEVICE if X86_64 select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI select ARCH_MIGHT_HAVE_PC_PARPORT diff --git a/mm/Kconfig b/mm/Kconfig index 9b8fccb969dc..4282bee2731c 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -684,12 +684,15 @@ config IDLE_PAGE_TRACKING See Documentation/vm/idle_page_tracking.txt for more details. +config ARCH_HAS_ZONE_DEVICE + def_bool n + config ZONE_DEVICE bool "Device memory (pmem, etc...) hotplug support" depends on MEMORY_HOTPLUG depends on MEMORY_HOTREMOVE depends on SPARSEMEM_VMEMMAP - depends on X86_64 #arch_add_memory() comprehends device memory + depends on ARCH_HAS_ZONE_DEVICE help Device memory hotplug support allows for establishing pmem, -- 2.9.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org