From patchwork Sun Aug 28 00:55:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoquan He X-Patchwork-Id: 12957127 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 277C4C0502E for ; Sun, 28 Aug 2022 00:58:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UXBSzxle5kVx0nf5Pr1eW+BCBn4U3AY6yTnkfR/I930=; b=mxfbpG9hjgLw+e qzJsCKq8QNDcjHT8NBVDLBvdGkwvSahOZslc18VufWD0rBGowWqbseaOyjiqSR8Z8iPWaXfL692kz 62IX7lAddmuclNXktr2AAbwi3YYc0SMMU84QHdrWFa8JrQqUHgfCFCI4yvx93JSbNwH1XLvEf+D+u 4rLzh4Qik3ro26nUM1E8wSsvCvB3Fb/oA4ezZQNDKTCQyZzTISwF/WpAvT3RJ1a3tK+Wmj3Y08Ulf BFAH0BWMHFvepSd+wjMGjojdxHhg0g+KaVLi9R3JeoPQpJayArT5ky3y4Gui5tV+y4NBMBdh+5ss8 D/Fy6QN0wnHAltwogM/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oS6ba-0074Bw-7P; Sun, 28 Aug 2022 00:56:50 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oS6az-0073IS-2V for linux-arm-kernel@lists.infradead.org; Sun, 28 Aug 2022 00:56:14 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1661648172; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=klvCIsgXfinczEtZu1vkS1Kza9b+D2rCSj6ESjeEdL8=; b=iinbR6h+YhidZbaQgLv+mO9xZdXxtNnjtEchvAeu/gRup32GBPbb8LUZW8Zv2XtA8lWZsj bpdE0ZreuvBTqac2HdyTjn34AeMLUQrOvdohBlK/u99uVAcZO0gfjJlQGcg08hAs7FApcX 4mUB4Pk2u2hDrG/NyPGDHwflTWtvEdc= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-323-mmYmt1CqPteYwdHhgDmfTw-1; Sat, 27 Aug 2022 20:56:08 -0400 X-MC-Unique: mmYmt1CqPteYwdHhgDmfTw-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1FAB729AB41D; Sun, 28 Aug 2022 00:56:08 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (ovpn-12-25.pek2.redhat.com [10.72.12.25]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5F0A7492C3B; Sun, 28 Aug 2022 00:56:01 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, ardb@kernel.org, rppt@kernel.org, guanghuifeng@linux.alibaba.com, mark.rutland@arm.com, will@kernel.org, linux-mm@kvack.org, thunder.leizhen@huawei.com, wangkefeng.wang@huawei.com, kexec@lists.infradead.org, Baoquan He Subject: [PATCH 2/2] arm64: remove unneed defer_reserve_crashkernel() and crash_mem_map Date: Sun, 28 Aug 2022 08:55:45 +0800 Message-Id: <20220828005545.94389-3-bhe@redhat.com> In-Reply-To: <20220828005545.94389-1-bhe@redhat.com> References: <20220828005545.94389-1-bhe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220827_175613_257749_F461AC90 X-CRM114-Status: GOOD ( 11.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now they are not needed any more, clean them up. Signed-off-by: Baoquan He Reviewed-by: Zhen Lei --- arch/arm64/include/asm/memory.h | 5 ----- arch/arm64/mm/mmu.c | 15 --------------- 2 files changed, 20 deletions(-) diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index 9dd08cd339c3..b9e71583c9cb 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -363,11 +363,6 @@ static inline void *phys_to_virt(phys_addr_t x) }) void dump_mem_limit(void); - -static inline bool defer_reserve_crashkernel(void) -{ - return IS_ENABLED(CONFIG_ZONE_DMA) || IS_ENABLED(CONFIG_ZONE_DMA32); -} #endif /* !ASSEMBLY */ /* diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index cdd338fa2115..c3f8f426c3d8 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -502,21 +502,6 @@ void __init mark_linear_text_alias_ro(void) PAGE_KERNEL_RO); } -static bool crash_mem_map __initdata; - -static int __init enable_crash_mem_map(char *arg) -{ - /* - * Proper parameter parsing is done by reserve_crashkernel(). We only - * need to know if the linear map has to avoid block mappings so that - * the crashkernel reservations can be unmapped later. - */ - crash_mem_map = true; - - return 0; -} -early_param("crashkernel", enable_crash_mem_map); - static void __init map_mem(pgd_t *pgdp) { static const u64 direct_map_end = _PAGE_END(VA_BITS_MIN);