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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 00164C7618F for ; Mon, 15 Jul 2019 15:15:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2B0E2054F for ; Mon, 15 Jul 2019 15:15:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="O8dlhQ7t" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732058AbfGOPPK (ORCPT ); Mon, 15 Jul 2019 11:15:10 -0400 Received: from mail-ot1-f68.google.com ([209.85.210.68]:39849 "EHLO mail-ot1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731959AbfGOPPI (ORCPT ); Mon, 15 Jul 2019 11:15:08 -0400 Received: by mail-ot1-f68.google.com with SMTP id r21so11310871otq.6 for ; Mon, 15 Jul 2019 08:15:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=VqjufVPoXvgJvARCtCBUh9v6bqMYapirXw3cBlnyEIs=; b=O8dlhQ7tEwCGSNNRtDiyTDb9IWXGI4eiN1ELr1nGeIhobJqOcrFuahArn7YqD+HTvV 32n1hIUTFBgkn5VPXUIM5Vaz+lyxkXQ0e0JGgXBjKL3trWKM5k4L5n+u+vgibvAcIUva dDvIdZYFueg88PuarcxCrfwwHobkjPL5s0W7JTkfRXOV9+880H2F6VvilMljv/vZ/ZEG kn9nvqVCDtelv7ArEeZ8Qmnrn4y3ZI966n+ZBJNpXW5qkh6PE2uEsI5Vw8CInGEh7bLP 5oco2zwc3rYBesv+lffCkdb4eC5fzpeKJ+/3ySKEtZ2Kvk2pvaU1FDLzJc+TpfO00ww9 kYrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=VqjufVPoXvgJvARCtCBUh9v6bqMYapirXw3cBlnyEIs=; b=LUUvyXPMOCmYfZqR1dgdc9JM+mlcj2tvoP4s50lFSeTO5yr3yPS82Kwr92U4DXU65V fIYqU6oaixGCV9BsnuV65qwF+OytJYbXQwmkOKnv5Mz4PeHy9w8rmCPud49jHrc9iWpr l1lVnjMmFwN/Q7Qw2O9N3tiIQQCNGw7oIXwiWSXYySebRauC9luundby2hWa2iAeN7nd EDYe8pVBOqgP/95/TD8J4+p1bV0pR8V/QyOWcJVibvoQ5oXHlSSCKh4fCSdZw7KyyKpk UMe9FJlncO3RaV9KOYJIhHCimY8dExuTswrz0NVBxnZPhzB6QvnOG3nuv0RjH9sX8eF8 YRmw== X-Gm-Message-State: APjAAAW+GDgbuaLSR5mV7iXHmcukOFSA4fY9h1u/B22RMsp7iWb1dfeN KqhHCnG+V7dNk9JbS/RMt9d0PGo6BeFo6iKOnm8= X-Google-Smtp-Source: APXvYqxb+9cSzZ2YZwM8qbkpbdnL6k33GARlIs2Kr7cuoB90km3/7ggBT9ro2njCwJpou04Vmgesx175RQCsD8JmyQ4= X-Received: by 2002:a9d:5e11:: with SMTP id d17mr142706oti.50.1563203707690; Mon, 15 Jul 2019 08:15:07 -0700 (PDT) MIME-Version: 1.0 References: <20190712120213.2825-1-lpf.vector@gmail.com> <20190712120213.2825-3-lpf.vector@gmail.com> <20190712134955.GV32320@bombadil.infradead.org> <20190715142754.pw55g4b2l6lzoznn@pc636> In-Reply-To: <20190715142754.pw55g4b2l6lzoznn@pc636> From: Pengfei Li Date: Mon, 15 Jul 2019 23:14:56 +0800 Message-ID: Subject: Re: [PATCH v4 2/2] mm/vmalloc.c: Modify struct vmap_area to reduce its size To: Uladzislau Rezki Cc: Matthew Wilcox , Andrew Morton , rpenyaev@suse.de, peterz@infradead.org, guro@fb.com, rick.p.edgecombe@intel.com, rppt@linux.ibm.com, aryabinin@virtuozzo.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Vlad Thanks for the comments form you and Matthew, now I am sure v3 is enough. I will follow the next version of your "mm/vmalloc: do not keep unpurged areas in the busy tree". Thanks again for your patience with me! -- Pengfei