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=-1.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 0D8F1C10F03 for ; Wed, 20 Mar 2019 00:44:28 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B6C44217F9 for ; Wed, 20 Mar 2019 00:44:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazonses.com header.i=@amazonses.com header.b="PlP4+RjH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B6C44217F9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 6F2E76B0003; Tue, 19 Mar 2019 20:44:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6A2E66B0006; Tue, 19 Mar 2019 20:44:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5B7BC6B0007; Tue, 19 Mar 2019 20:44:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) by kanga.kvack.org (Postfix) with ESMTP id 3C6506B0003 for ; Tue, 19 Mar 2019 20:44:27 -0400 (EDT) Received: by mail-qk1-f199.google.com with SMTP id s87so15299836qks.23 for ; Tue, 19 Mar 2019 17:44:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:date:from:to:cc:subject :in-reply-to:message-id:references:user-agent:mime-version :feedback-id; bh=l7GGzMPK2ZJjVEBw3exJiICCgYRKwnNAiKS5bg6nqGs=; b=gWj+7S6N9KiTVG7mGFTbMHqYBEvqX06euJrON9Hds2xg0LqdC+xWJFePNnkKLt6oG9 E/xDXpK7HDodxdC83iSsweLqE3n3VgZZ4vtpACMUsVyDa1KBa4HJ2TjhlKCYYerS1oBd hwTDi/Cto4zEOrK8Obg5+ug9kqscqY4y+SvfC2Qje/ksBF52AgMlrK3U9aLSziohLNgW UCmmJmxDd5HJ+ZZUDIdskC2qc+jIcVEZBwm+5GAR087UCy2vvvr2Pr33dEU7nBQmv/jA wJlFAdvHMvFbs6fpD5GzrSpzwAZwCa9Vz5UlXlMmmyWShBoMhvTn0VbmoRqKhDjZIs8g F9jA== X-Gm-Message-State: APjAAAWtBAAPcZobGQJzcTG64owACDcLt73y0AK8VsEe0Zq5KF0AMXjl N4eL5zaqgnwF09FxFeacxhbi42/nLZt9jQ4OSEVTGs2M1uWn64wtYK0wQH1EreLDAK0pwn9Qr7Q GK3SUwQnVLzNbRLAp/LctsaGgSJcBoDU9jgrxH0zhQWwvMVJiEpgmqpAjcHovEVM= X-Received: by 2002:a37:6812:: with SMTP id d18mr4434809qkc.28.1553042667015; Tue, 19 Mar 2019 17:44:27 -0700 (PDT) X-Google-Smtp-Source: APXvYqwLVv9K8NY1NpceIZqx2+SuYWdwohFGg+H9o/uOthPID02mmXffuLhFprhuY4W6o/rYnUMK X-Received: by 2002:a37:6812:: with SMTP id d18mr4434779qkc.28.1553042666390; Tue, 19 Mar 2019 17:44:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553042666; cv=none; d=google.com; s=arc-20160816; b=qgBwoJrd8K2YHRU4AgVuHsOHEsLxX1NdL2mdNImNGDuCXDjbPFOJrk7drkT4hhMcc1 9ztTsH272LhGLMfj4J/agYbfyFesnU46NF3/4KgleNYoun0d00HSBbHeMx9D9XYuLuLb fTgRQ6+svqd01KP9PqoIxap21S7ZVYrRqOzYxG4aC6GMXiW6oV8BFa3qdRzqBggBcLuU 3a2iy1f/TrIL6DAUl9GuCUDsNlyXro8nD/TBIn8lGkogf0G372FFLRrZtiF3tOtxpUR7 nfEEnki0+8/NUl/dg4TpiIdi/CoKDb1HA1OgNSXYFK7pgTP8SWwAR7t5QNhcnSvJ5k54 Qosw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=feedback-id:mime-version:user-agent:references:message-id :in-reply-to:subject:cc:to:from:date:dkim-signature; bh=l7GGzMPK2ZJjVEBw3exJiICCgYRKwnNAiKS5bg6nqGs=; b=vKO9OLbh0niC3mra6N8K7dr8MJvSRshYetSAE8P1+fFqvPxAgWQPrSDoyrJYwA33rs X+Y4mfWRNM9DiuEnRHHs3HxwvIghCf7Ok37LuqOtHLwrE2bf+pXgxoo0mL2UKDWRi+GC cvTMTWaPe8V5reJQwZ+eI0YfCm3syxSBidvXroF5omZCYQTGe1WQDpsuz5rcCuSwnW8B N3Vij9rewMU+k7pwLpNKfPGgjgbr2inOcCXPpbDGZKQkl4r0f/yd07cVBCJNUVUamJ0C qTfpTcPC6Ru5Qw3SuQjYsIslpBWzgZGyU3RordQwp/czidhBpfwlNz7k8CCbFb6nBSBa SGjw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amazonses.com header.s=6gbrjpgwjskckoa6a5zn6fwqkn67xbtw header.b=PlP4+RjH; spf=pass (google.com: domain of 01000169988e707d-e6a091d6-b04f-4774-89b0-61f985885ac8-000000@amazonses.com designates 54.240.9.46 as permitted sender) smtp.mailfrom=01000169988e707d-e6a091d6-b04f-4774-89b0-61f985885ac8-000000@amazonses.com Received: from a9-46.smtp-out.amazonses.com (a9-46.smtp-out.amazonses.com. [54.240.9.46]) by mx.google.com with ESMTPS id y143si250611qka.178.2019.03.19.17.44.26 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 19 Mar 2019 17:44:26 -0700 (PDT) Received-SPF: pass (google.com: domain of 01000169988e707d-e6a091d6-b04f-4774-89b0-61f985885ac8-000000@amazonses.com designates 54.240.9.46 as permitted sender) client-ip=54.240.9.46; Authentication-Results: mx.google.com; dkim=pass header.i=@amazonses.com header.s=6gbrjpgwjskckoa6a5zn6fwqkn67xbtw header.b=PlP4+RjH; spf=pass (google.com: domain of 01000169988e707d-e6a091d6-b04f-4774-89b0-61f985885ac8-000000@amazonses.com designates 54.240.9.46 as permitted sender) smtp.mailfrom=01000169988e707d-e6a091d6-b04f-4774-89b0-61f985885ac8-000000@amazonses.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=6gbrjpgwjskckoa6a5zn6fwqkn67xbtw; d=amazonses.com; t=1553042665; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:MIME-Version:Content-Type:Feedback-ID; bh=l7GGzMPK2ZJjVEBw3exJiICCgYRKwnNAiKS5bg6nqGs=; b=PlP4+RjHhS99d2viVKcqtgP13+3ae9Tceh7+ncOi1pmU/SV90eao0W6UVO4C/ysv bNKfYHD0TzHglvVEcijO11H/eX6miTYFt0JcCQdbZNOfnu9WN5xAD9dT4X/tJTX14dv btQifloIUFWP1UlOx8StJAo3W4BZdudfSoVgoHeA= Date: Wed, 20 Mar 2019 00:44:25 +0000 From: Christopher Lameter X-X-Sender: cl@nuc-kabylake To: Vlastimil Babka cc: linux-mm@kvack.org, Pekka Enberg , David Rientjes , Joonsoo Kim , Ming Lei , Dave Chinner , Matthew Wilcox , "Darrick J . Wong" , Christoph Hellwig , Michal Hocko , linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org Subject: Re: [RFC 2/2] mm, sl[aou]b: test whether kmalloc() alignment works as expected In-Reply-To: <20190319211108.15495-3-vbabka@suse.cz> Message-ID: <01000169988e707d-e6a091d6-b04f-4774-89b0-61f985885ac8-000000@email.amazonses.com> References: <20190319211108.15495-1-vbabka@suse.cz> <20190319211108.15495-3-vbabka@suse.cz> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-SES-Outgoing: 2019.03.20-54.240.9.46 Feedback-ID: 1.us-east-1.fQZZZ0Xtj2+TD7V5apTT/NrT6QKuPgzCT/IC7XYgDKI=:AmazonSES 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, 19 Mar 2019, Vlastimil Babka wrote: > Quick and dirty init test that kmalloc() alignment works as expected for > power-of-two sizes after the previous patch. There is already an allocator testing function in mm/slub.c. Can you generalize it or portions and put the into mm/slab_common.c?