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 EB40DEE4993 for ; Mon, 21 Aug 2023 07:10:55 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 306E48D0007; Mon, 21 Aug 2023 03:10:55 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2B72A8D0001; Mon, 21 Aug 2023 03:10:55 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 158C18D0007; Mon, 21 Aug 2023 03:10:55 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 0319C8D0001 for ; Mon, 21 Aug 2023 03:10:55 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id C0461120AD1 for ; Mon, 21 Aug 2023 07:10:54 +0000 (UTC) X-FDA: 81147239628.02.9925E17 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf12.hostedemail.com (Postfix) with ESMTP id 84A174000A for ; Mon, 21 Aug 2023 07:10:52 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=SDNyHuBu; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf12.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1692601852; a=rsa-sha256; cv=none; b=0sbznrJFCuvQBWY5pQwtmoQ9g4VuoODmZTwNhMUT7Y4j5/QFYHwrGazymXDX98lhwHhl3D vHU8ucpfGCuJJjYU+CCzi0rMp2Whb9h9vbMAwZKU0cea8OSWOtiGPZotQ1/7T1JIEFpgOd eIRFRL9GHfSsJmjvs4N+Q1LJPDAhDCM= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=SDNyHuBu; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf12.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1692601852; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=7U5bfl+8GkQX2Ru+1ERv9dMSPVsL01uB88Kl7XRSQnE=; b=ZAzoVfNmYJbVJJU89eax2mOeiQS+oHyf9oCvivhtCbZkM6nsPwaglZWWohiS1lNyq5YDLf TFjV1D2LCuiSZMxQA8cvpJrJKuoU0p1rVu/YakEvNYmHS/7TJqkqxv5iwyHxT8wV7vS6+K O8H8r1SWAVp/zNYpsRzLPICJ8I+X2pY= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1692601851; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7U5bfl+8GkQX2Ru+1ERv9dMSPVsL01uB88Kl7XRSQnE=; b=SDNyHuBuNWavNo5UoGTq0Ey7MaPya+vr+bhJ4tp97eYqZUXj5dS20aivB0sh0HytrYV6x1 NP58+BloMxKFQzVn9wjeFMXJz55vUAb8ojK2qvPraPxeQxJfkX58V/ZKQuZrNYv6luQaBu 9R7qyPkgCveMCJpTMnFF+AAE9ce5pOE= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-687-_JrpckunOjqmYfqiDt90BA-1; Mon, 21 Aug 2023 03:10:50 -0400 X-MC-Unique: _JrpckunOjqmYfqiDt90BA-1 Received: by mail-wm1-f69.google.com with SMTP id 5b1f17b1804b1-3feeb420c8aso6879725e9.2 for ; Mon, 21 Aug 2023 00:10:50 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692601849; x=1693206649; h=content-transfer-encoding:in-reply-to:organization:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=7U5bfl+8GkQX2Ru+1ERv9dMSPVsL01uB88Kl7XRSQnE=; b=PLoqC/ShfswOmnt9PhfEXYCcaYfoGTdF/N95zwvKGyw2DSUMwaAd7Ie2+ne1hFU8Mp KWTKg5xBlX09K+Iuxz4yxUU13Ge/jSJ3cMiCm+JCLGJve8pgbBxh/GCSatKKYkgKRcG8 dzZilLTzHkyaP15lgJW51eNEqyIxQuv3NuIvOo7sA2W9BOeezz26JkmMivCXvPdPDb75 8R5OnmQeLOZ7UlX4vtuz+PrEiIadjMdacnWT8T4PV5TtLwc6CzeO6TcB8w3+OJgVE3nF muF+MVFRdK1z/dKWFY1sleCZnEtGlxjGaA023MEg7m/B/1YrL8DDAnQYv7AyS/0/Krjx FsxQ== X-Gm-Message-State: AOJu0Yx85GSFrEc6t+RaqGSl5932Uui6xp872F6Dej34j5eBCysyIPZM 7j1PUuZubZ38b9gysI6pJcJ9HY1/TVCsp9eQx0a4mglxgzuZzvlA9x1y360gs1ri9rOXnfg46CN UqoAKHRbaduc= X-Received: by 2002:a05:600c:2117:b0:3fa:8c68:4aba with SMTP id u23-20020a05600c211700b003fa8c684abamr4085874wml.25.1692601849231; Mon, 21 Aug 2023 00:10:49 -0700 (PDT) X-Google-Smtp-Source: AGHT+IH7uYYKxazl0gdDW5+jbhdr1DMO67F+xV44FYK5z06H//ahedGsx1xXBk2h+YLibTlrepAj3A== X-Received: by 2002:a05:600c:2117:b0:3fa:8c68:4aba with SMTP id u23-20020a05600c211700b003fa8c684abamr4085861wml.25.1692601848880; Mon, 21 Aug 2023 00:10:48 -0700 (PDT) Received: from ?IPV6:2003:cb:c715:5e00:f3e5:9995:b58b:3782? (p200300cbc7155e00f3e59995b58b3782.dip0.t-ipconnect.de. [2003:cb:c715:5e00:f3e5:9995:b58b:3782]) by smtp.gmail.com with ESMTPSA id l22-20020a7bc456000000b003fe1afb99a9sm11649923wmi.11.2023.08.21.00.10.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 21 Aug 2023 00:10:48 -0700 (PDT) Message-ID: <064da477-2348-9f55-b5c4-bdda60ee0fe3@redhat.com> Date: Mon, 21 Aug 2023 09:10:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH] mm: Add vmalloc_user_node() To: "Matthew Wilcox (Oracle)" , Uladzislau Rezki Cc: linux-mm@kvack.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230820194031.1395870-1-willy@infradead.org> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230820194031.1395870-1-willy@infradead.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 84A174000A X-Stat-Signature: ayyi5qp6e3iq5jn5jb35iyxq6s3wp8qs X-HE-Tag: 1692601852-367577 X-HE-Meta: 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 qEERxnzK imhqsJc1+jDa9+vnGV09XjSqhwHj0nvT/kesDzXRdG+5f2K1qNGJgTzYhsBT9h+TGMhGQq9iLtQOhGlKRjI9zQhTMdrq4lwmBdt/M2Na4886jm3mn8mjM/dPmH/VFddXwDMsuLWjGKXSW4rCgtlJavWcKvhVR3jRahUzvoEiz36UspJcDqmJX6uVSG/RMrM3p6rmecT7zD+WgtsYgImRDa0kAh64GX0VcFeWtB1XWh3IzaZhfVtwYSvsK1Hi1TJxA5RN5EfirM3IZdThb7YfTVgHE7ZMTDGqmsY4hM5vOayBY+u8tSRtWbjKzoKIacOdK6M5QgQf3ZgZaGQKchf/cLJbpPt10z36xStSJCYItCl3MiDuglOoR9YPCUkwYluzEjQff02F2SlCCJmjN4sA/lvhASJF3DUSJXrK9 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 20.08.23 21:40, Matthew Wilcox (Oracle) wrote: > Allow memory to be allocated on a specified node. Use it in the > perf ring-buffer code. > > Signed-off-by: Matthew Wilcox (Oracle) > --- > I was looking at the perf ringbuffer code for other reasons, and I noticed > that everything else gets allocated on the specified node ... except > there's no way to do this for vmalloc. I assume it'd be helpful here too. Reviewed-by: David Hildenbrand -- Cheers, David / dhildenb