From nobody Fri Apr 10 21:55:04 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0A8DC25B0E for ; Fri, 19 Aug 2022 04:12:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245371AbiHSEMY (ORCPT ); Fri, 19 Aug 2022 00:12:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345157AbiHSEMT (ORCPT ); Fri, 19 Aug 2022 00:12:19 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FB7AD4751 for ; Thu, 18 Aug 2022 21:12:18 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BEF25614B3 for ; Fri, 19 Aug 2022 04:12:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86439C43470; Fri, 19 Aug 2022 04:12:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660882337; bh=OJw5ok0VWpXV3rCiT2RPnbejds8oP9obR0Vq/h7CFMg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kk7a5L2fGYglj/X+iysS0UCkB1aNmS+LAXX5gdRkSk6QWLPtsYWlXgpsLQSX4/2m6 xSAnTQjm8z1SSGIu8AvMC+WvtHiaUkHJXdotVu+VIGcGwbSuWAa+pd3D9TwA5hO/xV SeQY4tvS/87p9KJbLFiypyt5avneNb1U2JMS3OHFQ8Wg6vRfY+VP9ARAPb3z3fFNQe huyGcQmXx05+a+1zofD5JiK4ztPPW2Jk7PfQ9e7+JOYJ2Xd9K53aTQjezSdfbXcy+C tUZwCybmYrgTbhNUX0ean/n/TqOYsmBrz6//+A5XGGyoJP5834TNnLWwbx8TiIrg1s Q0eNNmNBjqIyQ== From: Mike Rapoport To: linux-arm-kernel@lists.infradead.org Cc: Ard Biesheuvel , Catalin Marinas , Guanghui Feng , Mark Rutland , Mike Rapoport , Mike Rapoport , Will Deacon , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 1/5] arm64: rename defer_reserve_crashkernel() to have_zone_dma() Date: Fri, 19 Aug 2022 07:11:52 +0300 Message-Id: <20220819041156.873873-2-rppt@kernel.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220819041156.873873-1-rppt@kernel.org> References: <20220819041156.873873-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Mike Rapoport The new name better describes what the function does and does not restrict its use to crash kernel reservations. Signed-off-by: Mike Rapoport --- arch/arm64/include/asm/memory.h | 2 +- arch/arm64/mm/init.c | 4 ++-- arch/arm64/mm/mmu.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memor= y.h index 9dd08cd339c3..27fce129b97e 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -364,7 +364,7 @@ static inline void *phys_to_virt(phys_addr_t x) =20 void dump_mem_limit(void); =20 -static inline bool defer_reserve_crashkernel(void) +static inline bool have_zone_dma(void) { return IS_ENABLED(CONFIG_ZONE_DMA) || IS_ENABLED(CONFIG_ZONE_DMA32); } diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index b9af30be813e..a6585d50a76c 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -389,7 +389,7 @@ void __init arm64_memblock_init(void) =20 early_init_fdt_scan_reserved_mem(); =20 - if (!defer_reserve_crashkernel()) + if (!have_zone_dma()) reserve_crashkernel(); =20 high_memory =3D __va(memblock_end_of_DRAM() - 1) + 1; @@ -438,7 +438,7 @@ void __init bootmem_init(void) * request_standard_resources() depends on crashkernel's memory being * reserved, so do it here. */ - if (defer_reserve_crashkernel()) + if (have_zone_dma()) reserve_crashkernel(); =20 memblock_dump_all(); diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index db7c4e6ae57b..bf303f1dea25 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -548,7 +548,7 @@ static void __init map_mem(pgd_t *pgdp) =20 #ifdef CONFIG_KEXEC_CORE if (crash_mem_map) { - if (defer_reserve_crashkernel()) + if (have_zone_dma()) flags |=3D NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS; else if (crashk_res.end) memblock_mark_nomap(crashk_res.start, @@ -589,7 +589,7 @@ static void __init map_mem(pgd_t *pgdp) * through /sys/kernel/kexec_crash_size interface. */ #ifdef CONFIG_KEXEC_CORE - if (crash_mem_map && !defer_reserve_crashkernel()) { + if (crash_mem_map && !have_zone_dma()) { if (crashk_res.end) { __map_memblock(pgdp, crashk_res.start, crashk_res.end + 1, --=20 2.35.3