From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751429AbeEVJzh (ORCPT ); Tue, 22 May 2018 05:55:37 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:44764 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750707AbeEVJzV (ORCPT ); Tue, 22 May 2018 05:55:21 -0400 From: David Hildenbrand To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, David Hildenbrand , Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , kasan-dev@googlegroups.com (open list:KASAN) Subject: [PATCH v1 2/2] kasan: fix memory hotplug during boot Date: Tue, 22 May 2018 11:55:15 +0200 Message-Id: <20180522095515.2735-3-david@redhat.com> In-Reply-To: <20180522095515.2735-1-david@redhat.com> References: <20180522095515.2735-1-david@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Using module_init() is wrong. E.g. ACPI adds and onlines memory before our memory notifier gets registered. This makes sure that ACPI memory detected during boot up will not result in a kernel crash. Easily reproducable with QEMU, just specify a DIMM when starting up. Signed-off-by: David Hildenbrand --- mm/kasan/kasan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c index 8baefe1a674b..04b60d2b607c 100644 --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -892,5 +892,5 @@ static int __init kasan_memhotplug_init(void) return 0; } -module_init(kasan_memhotplug_init); +core_initcall(kasan_memhotplug_init); #endif -- 2.17.0