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 35247C43334 for ; Tue, 7 Jun 2022 13:03:55 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B682E8D000F; Tue, 7 Jun 2022 09:03:54 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B15418D0003; Tue, 7 Jun 2022 09:03:54 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9B69B8D000F; Tue, 7 Jun 2022 09:03:54 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 886DB8D0003 for ; Tue, 7 Jun 2022 09:03:54 -0400 (EDT) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 62CDD353C2 for ; Tue, 7 Jun 2022 13:03:54 +0000 (UTC) X-FDA: 79551457188.15.E5C3894 Received: from mail-ed1-f45.google.com (mail-ed1-f45.google.com [209.85.208.45]) by imf22.hostedemail.com (Postfix) with ESMTP id 19A43C0082 for ; Tue, 7 Jun 2022 13:03:47 +0000 (UTC) Received: by mail-ed1-f45.google.com with SMTP id fd25so22925549edb.3 for ; Tue, 07 Jun 2022 06:03:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=lZc1/L5KP3c2RqT1UwG4d2l//fVFWWaRIHrfLzjY4Q8=; b=cUY5h88q6/03ae1B8lu027elIy5m2l/WHiZGMn/xeyj7gJEXYsjsPwSzowXq5MT0aB vs/U6bMMUKPYh0d/ykxV2GAxFqTsvmjxj/HqbgyRWWBoQMIIGxZsBFfYK2z4KK25FXG/ XJOi+Fw4chFdmdlzeJPOn13/6GA1st4mb+IN4MeDFt0iK5LKHn3ZSBi1i3VXDd6X9b/a xCUSEl//aM4N42hLuDeID4CHWkaKe9LiIpwVbB91A0yI98W6uQzpBut4UnKkFlWntfAi xHa0odNgwFSWVWRADaHWAQY71wa82to7+wLjes7je0Tjh7HNEkg4Aquf1jzWAl1ZGdcF +OKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=lZc1/L5KP3c2RqT1UwG4d2l//fVFWWaRIHrfLzjY4Q8=; b=wR4Uqx2IzP142U3ENgjMdhidae+PVREJLCGg9Uuq3OrsPdWYc4DIM3Bxc5Y5YIKArm 7nryhXDsdAbpd36VnQ09ACtNJw9xZAlCsBs/ri1ngrz8jkYXhB2ypPqXCq2MJ8/UjnYN V9MlPbTJZiOen12IihGWfuZ6zgUOu8feRNksb+qjhegw5xulloQKll+qAlOuA+7rTTlY fHJOzxHyG8AxdbeKBIQvxDZ1LylyVZ8FmOZbRQ738lFXeIRzfWvQBYZqGrwxF0ORH5NJ tmdhrwvhGjveeNrgsiQ8cj4VH59Imic87svxnkRBW7Lh8RfU+50xIyDZ/fjquX5OSM4h jZ+A== X-Gm-Message-State: AOAM5305kCkqKfSnSAhAnFhgEpNtT6huBtIiqOPitx+WivFvCUpYbfAc pMj8HQWExE4wxqmBMStyCFxibA4Bs5G8gbf8Woc= X-Google-Smtp-Source: ABdhPJzxJ20S1Cxy9uCu6I7cLjZK4NNWcoIFIjRn2k1n/G3Jlvl17Q9f5mECMbHDAV6K5of7ULt7AtuWZnp5RJ029RQ= X-Received: by 2002:a05:6402:4145:b0:42d:842a:f916 with SMTP id x5-20020a056402414500b0042d842af916mr32905644eda.357.1654607030559; Tue, 07 Jun 2022 06:03:50 -0700 (PDT) MIME-Version: 1.0 References: <20220607093449.3100-1-urezki@gmail.com> <20220607093449.3100-5-urezki@gmail.com> In-Reply-To: From: Uladzislau Rezki Date: Tue, 7 Jun 2022 15:03:39 +0200 Message-ID: Subject: Re: [PATCH 4/5] mm/vmalloc: Extend __find_vmap_area() with one more argument To: Christoph Hellwig Cc: Andrew Morton , Linux Memory Management List , LKML , Matthew Wilcox , Nicholas Piggin , Oleksiy Avramchenko Content-Type: text/plain; charset="UTF-8" Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=cUY5h88q; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf22.hostedemail.com: domain of urezki@gmail.com designates 209.85.208.45 as permitted sender) smtp.mailfrom=urezki@gmail.com X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 19A43C0082 X-Rspam-User: X-Stat-Signature: di8ud7rhihod4pgisjuz1ieh56unyg9d X-HE-Tag: 1654607027-360055 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jun 7, 2022 at 11:47 AM Christoph Hellwig wrote: > > On Tue, Jun 07, 2022 at 11:34:48AM +0200, Uladzislau Rezki (Sony) wrote: > > __find_vmap_area() finds a "vmap_area" based on passed address. > > It scan the specific "vmap_area_root" rb-tree. Extend the function > > with one extra argument, so any tree can be specified where the > > search has to be done. > > Uhh, why? This just adds a copletel useless argument. > I wrote about it in the cover latter. It is a preparation work for making vmalloc per-cpu. In that case free/busy data are located on different rb_roots that is why those functions have to be adopted to work with any tree. -- Uladzislau Rezki