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 6C244CCA47E for ; Mon, 13 Jun 2022 06:35:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235884AbiFMGf4 (ORCPT ); Mon, 13 Jun 2022 02:35:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38674 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236470AbiFMGfv (ORCPT ); Mon, 13 Jun 2022 02:35:51 -0400 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1BE0BE3D for ; Sun, 12 Jun 2022 23:35:47 -0700 (PDT) Received: by mail-pf1-x432.google.com with SMTP id 15so4925550pfy.3 for ; Sun, 12 Jun 2022 23:35:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=J3yPX4pLteTBSSt3jyoxQC4mEw/61R+QtZm4AH/eCAw=; b=tFpKgo0j+PNLUDk0x391HcyJFSlH7ARGiFiArHFBqwwQvFstQSoTZFlD63itVTgYpc kUUVltfZZJyaBSPftr8vB5U60aL3+Bhhc3i9SxGcNDi/qPj+qPLIIzGOrxA0UqjRKOYe SJe68LscSGyRfpTbJWWulEAdjHzitTlvSq0Kgup9y7NhhFvjWFNRz49wAFlozK/qxWqV siEjOibdp+vbrc5CDd14o6Oxe7QSb5wHX6a2IUr2AzgcEZIY0IFOOHhtonhSWbQeg8bK JGZPFSeVlFm7Z22v9a5EJKJ3OIkN90hGOjnWYRJkdY5mztcGZsPWI8fuObj9As7/kq5u tDag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=J3yPX4pLteTBSSt3jyoxQC4mEw/61R+QtZm4AH/eCAw=; b=M09/kfepTNaiaxvEAHGzjSCfcZU6B6AeDiXcqsU3x38BWwpav5UKdmeGCOiI8/LI1O YJsGgJWQG6Uob79MvN3iXWpj9a8Kh+9bzo+jzY53Tf9ssBZQW7lTFQA4vlN7KCbW+Dvp 8XxIdz3E4sECsEFeA5kcHK0tLci4mr9nO/RhNOb3yEggbpwyaCglcRT7bmLzWRNH6nnP rbRyUWRxFvGH5W/cU+rwlBGc0721/+LaeqgY3wfh+N3fwot+yMJHN0VjeUp2odWscFXv 96N//oWOJtBOtJ6noKfXoB5lBheSe+uh/jpaByIMyXI1byUH8eznrpp+FcczRHyuyzW1 VkVA== X-Gm-Message-State: AOAM531OChkWtS852Q42qIpd4dFpvowjv+axOMjCtMmUAjvdN9mEWuR/ 4iM8lEEpXECwGHguZSE3UDm4E5L8oj6kkQh9xGw= X-Google-Smtp-Source: ABdhPJy28P5B0qqGa3Ke6+SfMWEOc2cytKxdWdyOLSShHZNaM7W3nV99RcCZipyIALw6c+KciZ9G3w== X-Received: by 2002:a63:cf51:0:b0:408:85f4:fb33 with SMTP id b17-20020a63cf51000000b0040885f4fb33mr1973347pgj.589.1655102147198; Sun, 12 Jun 2022 23:35:47 -0700 (PDT) Received: from FVFYT0MHHV2J.bytedance.net ([139.177.225.255]) by smtp.gmail.com with ESMTPSA id v3-20020aa799c3000000b0051bc538baadsm4366554pfi.184.2022.06.12.23.35.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Jun 2022 23:35:46 -0700 (PDT) From: Muchun Song To: mike.kravetz@oracle.com, david@redhat.com, akpm@linux-foundation.org, corbet@lwn.net Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Muchun Song Subject: [PATCH 5/6] mm: hugetlb_vmemmap: replace early_param() with core_param() Date: Mon, 13 Jun 2022 14:35:11 +0800 Message-Id: <20220613063512.17540-6-songmuchun@bytedance.com> X-Mailer: git-send-email 2.32.1 (Apple Git-133) In-Reply-To: <20220613063512.17540-1-songmuchun@bytedance.com> References: <20220613063512.17540-1-songmuchun@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org After the following commit and previous commit applied. 78f39084b41d ("mm: hugetlb_vmemmap: add hugetlb_optimize_vmemmap sysctl") There is no order requirement between the parameter of "hugetlb_free_vmemmap" and "hugepages" since we have removed the check of whether HVO is enabled from hugetlb_vmemmap_init(). Therefore we can safely replace early_param() with core_param() to simplify the code. Signed-off-by: Muchun Song --- mm/hugetlb_vmemmap.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c index abdf441215bb..9808d32cdb9e 100644 --- a/mm/hugetlb_vmemmap.c +++ b/mm/hugetlb_vmemmap.c @@ -415,14 +415,8 @@ static int vmemmap_remap_alloc(unsigned long start, unsigned long end, DEFINE_STATIC_KEY_FALSE(hugetlb_optimize_vmemmap_key); EXPORT_SYMBOL(hugetlb_optimize_vmemmap_key); -static bool vmemmap_optimize_enabled = - IS_ENABLED(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON); - -static int __init hugetlb_vmemmap_early_param(char *buf) -{ - return kstrtobool(buf, &vmemmap_optimize_enabled); -} -early_param("hugetlb_free_vmemmap", hugetlb_vmemmap_early_param); +static bool vmemmap_optimize_enabled = IS_ENABLED(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON); +core_param(hugetlb_free_vmemmap, vmemmap_optimize_enabled, bool, 0); /* * Previously discarded vmemmap pages will be allocated and remapping -- 2.11.0