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 CD21ACCA47F for ; Tue, 7 Jun 2022 09:35:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239636AbiFGJfm (ORCPT ); Tue, 7 Jun 2022 05:35:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233066AbiFGJfD (ORCPT ); Tue, 7 Jun 2022 05:35:03 -0400 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A43FF66C88 for ; Tue, 7 Jun 2022 02:35:01 -0700 (PDT) Received: by mail-lf1-x130.google.com with SMTP id u26so26655248lfd.8 for ; Tue, 07 Jun 2022 02:35:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=+9f9l4kafijy5tF7KMskKmJ/qyS50hfAaTAXJIaHigk=; b=ey+7OYgV7aR8YmkHepSIEIvJD6ppZYccI9v3aTw4hBckRyBQaaRSg35vILfF+tJaT5 /ro7BEv3Bwyrw05UTpr1XJeS0spWfXfjSUQ/KXG+Cd+uTs6XXjBfIfLtDhLSYR2ruJjU bIkAQEI2fAZiy4V0/ZB3trU4JizsrP74/d5hDbwMq7OqfRejYA8u8JJzOewMEcq0s8h+ j3qo07tSzA9nBl21TqcNuK4+DcaV0xuJ3sj7WuPNFsrXymWZJGJGygjUdaDLs8mqt7lN WwYdAt71DyQPFJjTuRVC4tDx53FvSZMlhyoafCcUMbKDzwMBp8w8IWgJ5ppKQM8wH1Le K/Qg== 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:mime-version :content-transfer-encoding; bh=+9f9l4kafijy5tF7KMskKmJ/qyS50hfAaTAXJIaHigk=; b=Ps3mw++oMGATLyo1ywnldvcC8qMuDfv+Z/TwcrV9kiQHRLIVe2YEEROjVl8R1gNgQR vG6akY5YwI0OFY2DZ7NQvJmon6LfdSFKZAkjYQD+BtSpALphELz8Rg/3zZ+SqQVuVE6V HHx9PxH9TT2AzTmyXP/0sfVMQdz6xyznAS/HliPOUxEEio3cLeu/7bFMZnBWP+IR3Vrd FJ1BCOCIa2oS9RHqKtK9IWKbZbgA8V0X3WKoJwmTSXUx1bfQnDJ2N5MxJpdu7mo45MDQ iTlbISv3yiNGXKhKN3T4Aa+kyOsTvonxw6cE0c4PnhoWhlYPzUpL8diL2f1hRA1JLiJf 2xBQ== X-Gm-Message-State: AOAM532ZM5nbZBo7/wzVf3SWN6SpM2BKf6Aj/y9t4OU6zcoOlxECVuM6 msVr7NOQx6z50bOdd/lTvCs= X-Google-Smtp-Source: ABdhPJwAahIn/7ZioTC+h2QdikezWSd6RqDgg9/Kn/YVckplbfBuxn7u4AcL72Pvhor6li8lMY4eSQ== X-Received: by 2002:a05:6512:2143:b0:479:9fd:14dc with SMTP id s3-20020a056512214300b0047909fd14dcmr17936064lfr.505.1654594499850; Tue, 07 Jun 2022 02:34:59 -0700 (PDT) Received: from pc638.lan ([155.137.26.201]) by smtp.gmail.com with ESMTPSA id r27-20020a2e575b000000b002554a4ebf5fsm2748043ljd.74.2022.06.07.02.34.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jun 2022 02:34:59 -0700 (PDT) From: "Uladzislau Rezki (Sony)" To: Andrew Morton Cc: linux-mm@kvack.org, LKML , Christoph Hellwig , Matthew Wilcox , Nicholas Piggin , Uladzislau Rezki , Oleksiy Avramchenko Subject: [PATCH 0/5] Reduce a vmalloc internal lock contention preparation work Date: Tue, 7 Jun 2022 11:34:44 +0200 Message-Id: <20220607093449.3100-1-urezki@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi. This small serias is a preparation work to implement per-cpu vmalloc allocation in order to reduce a high internal lock contention. This series does not introduce any functional changes, it is only about preparation. Uladzislau Rezki (Sony) (5): mm/vmalloc: Make link_va()/unlink_va() common to different rb_root mm/vmalloc: Extend __alloc_vmap_area() with extra arguments mm/vmalloc: Initialize VA's list node after unlink mm/vmalloc: Extend __find_vmap_area() with one more argument lib/test_vmalloc: Switch to prandom_u32() lib/test_vmalloc.c | 15 +++---- mm/vmalloc.c | 98 ++++++++++++++++++++++++++++++++-------------- 2 files changed, 76 insertions(+), 37 deletions(-) -- 2.30.2