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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C985C433EF for ; Sat, 5 Mar 2022 06:21:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D19458D0016; Sat, 5 Mar 2022 01:21:33 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CC8A58D0015; Sat, 5 Mar 2022 01:21:33 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B8DCB8D0014; Sat, 5 Mar 2022 01:21:33 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.27]) by kanga.kvack.org (Postfix) with ESMTP id A6D9D8D0001 for ; Sat, 5 Mar 2022 01:21:33 -0500 (EST) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 6AD91E35 for ; Sat, 5 Mar 2022 06:21:33 +0000 (UTC) X-FDA: 79209336066.10.CCF639B Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by imf26.hostedemail.com (Postfix) with ESMTP id 3C264140005 for ; Sat, 5 Mar 2022 06:21:31 +0000 (UTC) Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9AxGs1pASNiBh4DAA--.2113S3; Sat, 05 Mar 2022 14:21:30 +0800 (CST) From: Tiezhu Yang To: Thomas Bogendoerfer , Mike Rapoport , Andrew Morton Cc: Xuefeng Li , linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 1/4] memblock: Introduce memblock_mem_range_remove_map() Date: Sat, 5 Mar 2022 14:21:26 +0800 Message-Id: <1646461289-31992-2-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1646461289-31992-1-git-send-email-yangtiezhu@loongson.cn> References: <1646461289-31992-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID:AQAAf9AxGs1pASNiBh4DAA--.2113S3 X-Coremail-Antispam: 1UD129KBjvJXoW7trWUXr48tFy8tr17Cr4rXwb_yoW8Cw15pr n3G3W8CF48GFn7Xa97G3W3ury7A34rCF1fGFW7Cr1q9a4xJr1xuw4kGayUtFyjqF47KFs0 vF1xJayDGa9ruFUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBv14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26r1I6r4UM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l84 ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVW8Jr0_Cr1U M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r106r15McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVAFwVW8AwCF04 k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18 MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr4 1lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l IxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4 A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JU7-BiUUUUU= X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 3C264140005 X-Stat-Signature: hwcc5y6cn89cyauiqrwayx91afuxt5gj Authentication-Results: imf26.hostedemail.com; dkim=none; spf=pass (imf26.hostedemail.com: domain of yangtiezhu@loongson.cn designates 114.242.206.163 as permitted sender) smtp.mailfrom=yangtiezhu@loongson.cn; dmarc=none X-Rspam-User: X-HE-Tag: 1646461291-535762 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000301, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: This is preparation for supporting mem=limit@base and memmap=limit@base parameters, no functionality change. Signed-off-by: Tiezhu Yang --- include/linux/memblock.h | 1 + mm/memblock.c | 9 +++++++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 50ad196..e558d2c 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -482,6 +482,7 @@ phys_addr_t memblock_end_of_DRAM(void); void memblock_enforce_memory_limit(phys_addr_t memory_limit); void memblock_cap_memory_range(phys_addr_t base, phys_addr_t size); void memblock_mem_limit_remove_map(phys_addr_t limit); +void memblock_mem_range_remove_map(phys_addr_t base, phys_addr_t limit); bool memblock_is_memory(phys_addr_t addr); bool memblock_is_map_memory(phys_addr_t addr); bool memblock_is_region_memory(phys_addr_t base, phys_addr_t size); diff --git a/mm/memblock.c b/mm/memblock.c index 1018e50..2476d15d 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1723,7 +1723,7 @@ void __init memblock_cap_memory_range(phys_addr_t base, phys_addr_t size) base + size, PHYS_ADDR_MAX); } -void __init memblock_mem_limit_remove_map(phys_addr_t limit) +void __init memblock_mem_range_remove_map(phys_addr_t base, phys_addr_t limit) { phys_addr_t max_addr; @@ -1736,7 +1736,12 @@ void __init memblock_mem_limit_remove_map(phys_addr_t limit) if (max_addr == PHYS_ADDR_MAX) return; - memblock_cap_memory_range(0, max_addr); + memblock_cap_memory_range(base, max_addr); +} + +void __init memblock_mem_limit_remove_map(phys_addr_t limit) +{ + memblock_mem_range_remove_map(0, limit); } static int __init_memblock memblock_search(struct memblock_type *type, phys_addr_t addr) -- 2.1.0