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=-23.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_IN_DEF_DKIM_WL 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 884E8C432BE for ; Fri, 30 Jul 2021 07:36:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6F5C261019 for ; Fri, 30 Jul 2021 07:36:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237826AbhG3Hg7 (ORCPT ); Fri, 30 Jul 2021 03:36:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237783AbhG3Hg7 (ORCPT ); Fri, 30 Jul 2021 03:36:59 -0400 Received: from mail-ot1-x32a.google.com (mail-ot1-x32a.google.com [IPv6:2607:f8b0:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3B0CC0613C1 for ; Fri, 30 Jul 2021 00:36:53 -0700 (PDT) Received: by mail-ot1-x32a.google.com with SMTP id x15-20020a05683000cfb02904d1f8b9db81so8578059oto.12 for ; Fri, 30 Jul 2021 00:36:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:in-reply-to:message-id:references :mime-version; bh=7byT5bHnPOS7y5EU7qUuO5PL/0UgHrhgbJIWzprjQ1c=; b=ORF4v5oDyw8K3+2KbHlXODBIhFHkD4R+F5BXpH8NINHorwAPc7YVmxWyBoy0+VRNAE iRWPTSbOiINERDx6exN7IO5B2+rcQcvZKXTcCtE6QuIObLXuRcETqSxKpDTl4aDVED1W flpybY/IOPY94ZThriNdKbiu4eo4W1HVyfAMe/K+b+McrV4pVrGqz4sHsXLKuhULr0Sy 40L+6BulBdvLKtEDZvIKsPD999DXg6gVvLsh71e+BnYj3vnSg9H1aPldHjOBlpO9edCs /j8px2PnkGQnzt0Y30GWdAI+gXcB/8smhs7YN+/5xTUpp4FKs2IW42nOcpRARJEEu3wt sGlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:in-reply-to:message-id :references:mime-version; bh=7byT5bHnPOS7y5EU7qUuO5PL/0UgHrhgbJIWzprjQ1c=; b=dMcTK3Fr0ZRWEgIyAqyc3z8G8j3iXA07dGMIfpZZigNK825c5+WdZz/9IH1JqdHGDO b486vpywrUpGZh0L2p7nkV29mTVjChsbvTljTMD4ajEffWdg4LKbT0kgWOgBi3SYtq7E da5ful0+0IaD5mHuL4y+LSLWA+8GeWpRvm/KhmRUQN2mFC+mPLF8g7Z9vshYJeaW/3YK tATCYBYe1FnpM5jfsu8hHW/DoP7Fn095FlgIxxZgqqjHdcaxXc3u5clKJD0XB0F6WWBz opHTH3LfeJg8ei3GEIPce4940bPuZ6VNvHx9tjaMz1bGWtNKr7t300dH7NBGiRa4KW0B O/CA== X-Gm-Message-State: AOAM530Ug2QKUyxCQvX45YFL1LrYDBW4xTweRlmMNt385FbsbsNOZftr BwdJ5gXYl4hSZCpttog79cv6Zg== X-Google-Smtp-Source: ABdhPJzLIsT5sg4hoRajKGVV2ZmrG0gayWp/81hGgTA8eD8ZXDDcpn9inia6/YIQi3zQ3umq+wkPoA== X-Received: by 2002:a9d:4911:: with SMTP id e17mr1093386otf.38.1627630613080; Fri, 30 Jul 2021 00:36:53 -0700 (PDT) Received: from ripple.attlocal.net (172-10-233-147.lightspeed.sntcca.sbcglobal.net. [172.10.233.147]) by smtp.gmail.com with ESMTPSA id b70sm172434oii.24.2021.07.30.00.36.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Jul 2021 00:36:52 -0700 (PDT) Date: Fri, 30 Jul 2021 00:36:48 -0700 (PDT) From: Hugh Dickins X-X-Sender: hugh@ripple.anvils To: Andrew Morton cc: Hugh Dickins , Shakeel Butt , "Kirill A. Shutemov" , Yang Shi , Miaohe Lin , Mike Kravetz , Michal Hocko , Rik van Riel , Christoph Hellwig , Matthew Wilcox , "Eric W. Biederman" , Alexey Gladkov , Chris Wilson , Matthew Auld , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 04/16] huge tmpfs: revert shmem's use of transhuge_vma_enabled() In-Reply-To: <2862852d-badd-7486-3a8e-c5ea9666d6fb@google.com> Message-ID: References: <2862852d-badd-7486-3a8e-c5ea9666d6fb@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org 5.14 commit e6be37b2e7bd ("mm/huge_memory.c: add missing read-only THP checking in transparent_hugepage_enabled()") added transhuge_vma_enabled() as a wrapper for two very different checks: shmem_huge_enabled() prefers to show those two checks explicitly, as before. Signed-off-by: Hugh Dickins --- mm/shmem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/shmem.c b/mm/shmem.c index ce3ccaac54d6..c6fa6f4f2db8 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -4003,7 +4003,8 @@ bool shmem_huge_enabled(struct vm_area_struct *vma) loff_t i_size; pgoff_t off; - if (!transhuge_vma_enabled(vma, vma->vm_flags)) + if ((vma->vm_flags & VM_NOHUGEPAGE) || + test_bit(MMF_DISABLE_THP, &vma->vm_mm->flags)) return false; if (shmem_huge == SHMEM_HUGE_FORCE) return true; -- 2.26.2