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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B035EC433E0 for ; Fri, 15 Jan 2021 05:42:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D842239FC for ; Fri, 15 Jan 2021 05:42:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733187AbhAOFlq (ORCPT ); Fri, 15 Jan 2021 00:41:46 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:11018 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733144AbhAOFlc (ORCPT ); Fri, 15 Jan 2021 00:41:32 -0500 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DH94309pJzj7Mx; Fri, 15 Jan 2021 13:39:47 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.498.0; Fri, 15 Jan 2021 13:40:43 +0800 From: Kefeng Wang To: , , , Russell King , , Atish Patra CC: Palmer Dabbelt , , Paul Walmsley , Kefeng Wang Subject: [PATCH v3 4/4] riscv: Covert to reserve_initrd_mem() Date: Fri, 15 Jan 2021 13:46:06 +0800 Message-ID: <20210115054606.124502-5-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210115054606.124502-1-wangkefeng.wang@huawei.com> References: <20210115054606.124502-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Covert to the generic reserve_initrd_mem() function. Signed-off-by: Kefeng Wang --- arch/riscv/mm/init.c | 54 +------------------------------------------- 1 file changed, 1 insertion(+), 53 deletions(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index bf5379135e39..1eaae54c8ea1 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -105,55 +105,6 @@ void __init mem_init(void) print_vm_layout(); } -#ifdef CONFIG_BLK_DEV_INITRD -static void __init setup_initrd(void) -{ - phys_addr_t start; - unsigned long size; - - /* Ignore the virtul address computed during device tree parsing */ - initrd_start = initrd_end = 0; - - if (!phys_initrd_size) - return; - /* - * Round the memory region to page boundaries as per free_initrd_mem() - * This allows us to detect whether the pages overlapping the initrd - * are in use, but more importantly, reserves the entire set of pages - * as we don't want these pages allocated for other purposes. - */ - start = round_down(phys_initrd_start, PAGE_SIZE); - size = phys_initrd_size + (phys_initrd_start - start); - size = round_up(size, PAGE_SIZE); - - if (!memblock_is_region_memory(start, size)) { - pr_err("INITRD: 0x%08llx+0x%08lx is not a memory region", - (u64)start, size); - goto disable; - } - - if (memblock_is_region_reserved(start, size)) { - pr_err("INITRD: 0x%08llx+0x%08lx overlaps in-use memory region\n", - (u64)start, size); - goto disable; - } - - memblock_reserve(start, size); - /* Now convert initrd to virtual addresses */ - initrd_start = (unsigned long)__va(phys_initrd_start); - initrd_end = initrd_start + phys_initrd_size; - initrd_below_start_ok = 1; - - pr_info("Initial ramdisk at: 0x%p (%lu bytes)\n", - (void *)(initrd_start), size); - return; -disable: - pr_cont(" - disabling initrd\n"); - initrd_start = 0; - initrd_end = 0; -} -#endif /* CONFIG_BLK_DEV_INITRD */ - void __init setup_bootmem(void) { phys_addr_t mem_start = 0; @@ -186,10 +137,7 @@ void __init setup_bootmem(void) dma32_phys_limit = min(4UL * SZ_1G, (unsigned long)PFN_PHYS(max_low_pfn)); set_max_mapnr(max_low_pfn); -#ifdef CONFIG_BLK_DEV_INITRD - setup_initrd(); -#endif /* CONFIG_BLK_DEV_INITRD */ - + reserve_initrd_mem(); /* * Avoid using early_init_fdt_reserve_self() since __pa() does * not work for DTB pointers that are fixmap addresses -- 2.26.2