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=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 1B177C43387 for ; Wed, 19 Dec 2018 17:37:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DE3C1217D9 for ; Wed, 19 Dec 2018 17:37:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="t/c3fdvo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730562AbeLSRh5 (ORCPT ); Wed, 19 Dec 2018 12:37:57 -0500 Received: from mail-it1-f195.google.com ([209.85.166.195]:56241 "EHLO mail-it1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728595AbeLSRh5 (ORCPT ); Wed, 19 Dec 2018 12:37:57 -0500 Received: by mail-it1-f195.google.com with SMTP id m62so10872936ith.5 for ; Wed, 19 Dec 2018 09:37:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=8v7LVRYpkcTeST4uZR40n7405GmVE6ZAOCzwTA4KMag=; b=t/c3fdvo4sQLVUorcYgmChi5r98dsnu783+/zj6POe1fi3JdwR5e3ioGH47Kw7Hm5d 0xqkmbRxVzWknJh43f1DZuFSO6Nc3jOVHX9ClnPk0PrUt3qakQqmhkiwW6gLWZH+8P0n MQJZrX7J8RlG0vJWQMfj/dMoEMN0QCfbpuUz/+R4Xq8g9wgq1JCtOmU9sh6w/Ha2S+on XHhJM72QB5l0PKtJ04O+zaV5YS+ViyHxL04H7+mveoqaCiN0T451meMlgwldCmq6Aq1q bUZdUab7oqOtb7BRkO7xoD8b+AVFJy59e9b4z3jQhFj/CXhitWShwHQJR9dv6NC+dTW4 nsSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=8v7LVRYpkcTeST4uZR40n7405GmVE6ZAOCzwTA4KMag=; b=I0qG4wW9K708Xyq3UgqVWgEYoJZ0pM66BlLAUXhDKw2yz5p23RSg+3hx1TgmI+O4Ly EVBcezlRgFfZSUtbgNGJieuWwMKiwpOtEfjLIpCIkRp0kB7b2M8PIJFpLFa2ZARMEcct R/P46ttDEUFsBKPmBBkifsZcP66KBvuIuPSp53ZEQ23/6On1DvhQrTyHJKByshRT94Xt PUCWGaL/2dSLVL0GMLZDnmA07ZjNtLsdK2xbezqjTFY5VCDpotYH2cleA9KEAlgggpW4 tm3z377aCvVOwt/uprtxOrmuZHNLDKKdPqdANV2nOnrWK4vMgUXMepUOeoxSnxLkSTyp shvg== X-Gm-Message-State: AA+aEWYvFEDWimXcs4pGU4KZummtjNiUToBGBDxSrACPjnQrHOfNVCzO PKlnxW7sEaZri4cvMMw/IXo= X-Google-Smtp-Source: AFSGD/XObQ2BqxV22TcA33trGI9KhsypInghDrwqGTdprS0gO8Gtkk0j44rJTWbb5Okq25A/sHBACQ== X-Received: by 2002:a24:c105:: with SMTP id e5mr7058918itg.87.1545241076375; Wed, 19 Dec 2018 09:37:56 -0800 (PST) Received: from tower.thefacebook.com ([2620:10d:c090:200::7:bd3e]) by smtp.gmail.com with ESMTPSA id a10sm3637728itc.3.2018.12.19.09.37.54 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 19 Dec 2018 09:37:55 -0800 (PST) From: Roman Gushchin X-Google-Original-From: Roman Gushchin To: linux-mm@kvack.org Cc: Matthew Wilcox , Johannes Weiner , Michal Hocko , linux-kernel@vger.kernel.org, kernel-team@fb.com, Roman Gushchin Subject: [PATCH 0/3] vmalloc enhancements Date: Wed, 19 Dec 2018 09:37:48 -0800 Message-Id: <20181219173751.28056-1-guro@fb.com> X-Mailer: git-send-email 2.19.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The patchset contains few changes to the vmalloc code, which are leading to some performance gains and code simplification. Also, it exports a number of pages, used by vmalloc(), in /proc/meminfo. Patch (1) removes some redundancy on __vunmap(). Patch (2) separates memory allocation and data initialization in alloc_vmap_area() Patch (3) adds vmalloc counter to /proc/meminfo. RFC->v1: - removed bogus empty lines (suggested by Matthew Wilcox) - made nr_vmalloc_pages static (suggested by Matthew Wilcox) - dropped patch 3 from RFC patchset, will post later with some other changes - dropped RFC Roman Gushchin (3): mm: refactor __vunmap() to avoid duplicated call to find_vm_area() mm: separate memory allocation and actual work in alloc_vmap_area() mm: show number of vmalloc pages in /proc/meminfo fs/proc/meminfo.c | 2 +- include/linux/vmalloc.h | 2 + mm/vmalloc.c | 107 ++++++++++++++++++++++++++-------------- 3 files changed, 73 insertions(+), 38 deletions(-) -- 2.19.2