From mboxrd@z Thu Jan 1 00:00:00 1970 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 B5EA5C433F5 for ; Wed, 23 Mar 2022 23:06:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345435AbiCWXI0 (ORCPT ); Wed, 23 Mar 2022 19:08:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234935AbiCWXIJ (ORCPT ); Wed, 23 Mar 2022 19:08:09 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 864539027C for ; Wed, 23 Mar 2022 16:06:39 -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 ams.source.kernel.org (Postfix) with ESMTPS id 31142B82183 for ; Wed, 23 Mar 2022 23:06:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E557BC340F7; Wed, 23 Mar 2022 23:06:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1648076797; bh=+YGftbqbU90b8j5fQHsfgsfEMHcpmMhQkMql1qawrEo=; h=Date:To:From:In-Reply-To:Subject:From; b=MoVRwHLAeamjs5j1Md+cNU+tuxEGEOJcqyODri+BPRcxb29fMBcV1NvaxyYf8PiO5 ynXHbBFeq5z0yFUc2vbNuDjAeEa/QDjNr8xtN0zQdVc8deUiSyWveFYB439gkfZmnj jM1t2ALQbUxVqRtuyNl6zlrY12Kfl+szhXqleWPE= Date: Wed, 23 Mar 2022 16:06:36 -0700 To: will@kernel.org, tglx@linutronix.de, rmk+kernel@armlinux.org.uk, paul.walmsley@sifive.com, palmer@rivosinc.com, palmer@dabbelt.com, mingo@redhat.com, linux@armlinux.org.uk, hpa@zytor.com, ebiederm@xmission.com, dave.hansen@linux.intel.com, catalin.marinas@arm.com, bp@alien8.de, bhe@redhat.com, aou@eecs.berkeley.edu, alex@ghiti.fr, jszhang@kernel.org, akpm@linux-foundation.org, patches@lists.linux.dev, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org From: Andrew Morton In-Reply-To: <20220323160453.65922ced539cbf445b191555@linux-foundation.org> Subject: [patch 26/41] riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef Message-Id: <20220323230636.E557BC340F7@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Jisheng Zhang Subject: riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef Replace the conditional compilation using "#ifdef CONFIG_KEXEC_CORE" by a check for "IS_ENABLED(CONFIG_KEXEC_CORE)", to simplify the code and increase compile coverage. Link: https://lkml.kernel.org/r/20211206160514.2000-3-jszhang@kernel.org Signed-off-by: Jisheng Zhang Acked-by: Palmer Dabbelt Acked-by: Baoquan He Cc: Albert Ou Cc: Alexandre Ghiti Cc: Borislav Petkov Cc: Catalin Marinas Cc: Dave Hansen Cc: Eric W. Biederman Cc: H. Peter Anvin Cc: Ingo Molnar Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Russell King Cc: Russell King (Oracle) Cc: Thomas Gleixner Cc: Will Deacon Signed-off-by: Andrew Morton --- arch/riscv/mm/init.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/arch/riscv/mm/init.c~riscv-mm-init-use-is_enabledconfig_kexec_core-instead-of-ifdef +++ a/arch/riscv/mm/init.c @@ -957,7 +957,6 @@ static inline void setup_vm_final(void) } #endif /* CONFIG_MMU */ -#ifdef CONFIG_KEXEC_CORE /* * reserve_crashkernel() - reserves memory for crash kernel * @@ -974,6 +973,8 @@ static void __init reserve_crashkernel(v int ret = 0; + if (!IS_ENABLED(CONFIG_KEXEC_CORE)) + return; /* * Don't reserve a region for a crash kernel on a crash kernel * since it doesn't make much sense and we have limited memory @@ -1023,7 +1024,6 @@ static void __init reserve_crashkernel(v crashk_res.start = crash_base; crashk_res.end = crash_base + crash_size - 1; } -#endif /* CONFIG_KEXEC_CORE */ void __init paging_init(void) { @@ -1037,9 +1037,7 @@ void __init misc_mem_init(void) arch_numa_init(); sparse_init(); zone_sizes_init(); -#ifdef CONFIG_KEXEC_CORE reserve_crashkernel(); -#endif memblock_dump_all(); } _