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 3F470C54FB3 for ; Mon, 2 Jun 2025 16:52:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A91B96B02F7; Mon, 2 Jun 2025 12:52:13 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A698B6B02FA; Mon, 2 Jun 2025 12:52:13 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9A6D56B02FB; Mon, 2 Jun 2025 12:52:13 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 7CC6C6B02F7 for ; Mon, 2 Jun 2025 12:52:13 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 28C42120C43 for ; Mon, 2 Jun 2025 16:52:13 +0000 (UTC) X-FDA: 83511053346.06.203D2C3 Received: from gentwo.org (gentwo.org [62.72.0.81]) by imf03.hostedemail.com (Postfix) with ESMTP id 669E420011 for ; Mon, 2 Jun 2025 16:52:11 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=gentwo.org header.s=default header.b=jjHnXVzH; spf=pass (imf03.hostedemail.com: domain of cl@gentwo.org designates 62.72.0.81 as permitted sender) smtp.mailfrom=cl@gentwo.org; dmarc=pass (policy=reject) header.from=gentwo.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1748883131; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=FnIUHVIw4lAF33BWUwvSfUcznZGc7dHrCz/J6PnpDgs=; b=XIGRliPGSKS0B0sseEf3ZfIGUbpsq2sbfsGIOYEmkhTLQQrwQNoBKET8lQyAHjzrPIiPy3 XJTuRynkw8W0L8DkUsTWq80yTcldNCdt4akFg+MaJhgzy9XL+RoEFYOFOvmZFwK1bpexMF 53uwN4YF6JR7akiaeftu5UjKe02uSJU= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=gentwo.org header.s=default header.b=jjHnXVzH; spf=pass (imf03.hostedemail.com: domain of cl@gentwo.org designates 62.72.0.81 as permitted sender) smtp.mailfrom=cl@gentwo.org; dmarc=pass (policy=reject) header.from=gentwo.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1748883131; a=rsa-sha256; cv=none; b=j8EZklhDxYqH+VVlaxgPy5Qx4toi3Zr16f5RL11+k8ggSajxGrYbSO9lQTGrG9C04V6oN3 +ppraKJnYY7g/9VI9ZRa1a6VqJBCmCbLmlCNBuWpDkh/ksSxZw1v62TfjXMt2ioHewshjM osNUDaNNjEiQTNVyeQirhnH89s5tQH8= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gentwo.org; s=default; t=1748883130; bh=FnIUHVIw4lAF33BWUwvSfUcznZGc7dHrCz/J6PnpDgs=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=jjHnXVzHtYUf/iM/1G98+1/vqaJe2XT882cFZXh7dZueWX35II4CpDXLz17ZNGSJm RiDoNNlvAUB1ngJaE5gwRFMJRsl6Q8EQQmnLNoBO5CRgFH2tzuWGmwWYRkWIR3IGBE wn4tvvIh8D8kTXhWkGMNL8kUqTIqnAz4rMr53EBw= Received: by gentwo.org (Postfix, from userid 1003) id 422A9401E1; Mon, 2 Jun 2025 09:52:10 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by gentwo.org (Postfix) with ESMTP id 3EB0F40190; Mon, 2 Jun 2025 09:52:10 -0700 (PDT) Date: Mon, 2 Jun 2025 09:52:10 -0700 (PDT) From: "Christoph Lameter (Ampere)" To: Vlastimil Babka cc: David Rientjes , Andrew Morton , Roman Gushchin , Harry Yoo , Matthew Wilcox , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] mm, slab: restore NUMA policy support for large kmalloc In-Reply-To: <20250602-frozen-pages-for-large-kmalloc-v2-1-84a21f2c3640@suse.cz> Message-ID: References: <20250602-frozen-pages-for-large-kmalloc-v2-0-84a21f2c3640@suse.cz> <20250602-frozen-pages-for-large-kmalloc-v2-1-84a21f2c3640@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: 669E420011 X-Stat-Signature: dr9fn5jiuhkj1jta8qcckzofp6s8auf5 X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1748883131-327855 X-HE-Meta: U2FsdGVkX1+KFnHaTMiPS0HZlkMyYfAD76qdUHxNpjqaGvQnOn4TZtcfv++ab0HYWW1x8CBEDhMZ/KY/Orx6KXQp+KXEfQRYCjLND5eecgjEP8Fm2puVqZXkoSHhwA4JTX48W3OiwBjmWugSAWu+blInUtXD4MsswydTwAghEdc9z3D9pb6Ih09cos+qxNMj9maaU2hXGW3RNThVoKKeJ49DEjBdXO778+rqZjIaLb5efGpotgBie9l9jFeaZAcjb2p9iwXUjnmoIgECKcLfS69gDbPgCdjZ9f8cG3VskJJojA0F12xDKIf8rYivbkzjINUjkVfuKmhFdG8/XUYNtu21nZBcqMyub4K5BQWlnG/mCj0okz4/NwTsyq4NcAmxGTD+EVz6FcAzGJXQC/2v8OBu9X9KyUTh1CdAzcRF0iYw2WGc+05cVS7Z4Q0D9zEzGaZQVwF0QddRW69qI0XlQxwkrbvYQ6kTIs0jE0MkWOwMo16z/Tex2XDGhGhLLqke1B24tuNZgp+n9jmaFdXs8h4+sQGJaLWyY7iyecrQg2lr2tHB6c3H3Y1OhBRgIJ8G9MlAJop/NtCobPQbw7/WwMbwiTAosrEDoXLxyubjhq1aEzcGS22JiQXLR0yvOxLc8QEFMj6wfFkRtgWwmuCcHS6MWSEZdnXartMv3KzyUkHdVJi4wStg/K4pP+Gr7VVyU/wcsSOjselIntpSDDwGacnjACZNZ/jMoKOmvZ8hZ6ia3l3zqvcceGcmN/rc96OwuoGwZD3fZnRz00jOJDjRugNW/nJyDtDX41CtKprqb9Ig3x4GgDTdc5wUg7Nmd8nSBUwaapawJRHWGbi8iz8a3w5qkahwiz+u4iA1zRmf2fsZNVuUqssKwzLFFPLiWZgDEglMNFGq7CylMgkzSjWbZhQ64jzlcLoUi8H7MeszoVpSRRZCM5sbGxfOt9pyCZNZS/9VtWQmEdPRc79qTmM N0vmrTbs PUumvNLru2okEXBwCZM25/u8aYcrzHMe/nv9uTSC7D6tETD9D1BsGIOM6GW+bM7EySgV6hyTVOzhI1HiY8sgxy/1ax0isuJmCF7B+IacloXPDYEql9DmZQDe0oSY0hTJGpeTwfEjP2mEB/YsLhtwL/W24edGaN/GgMsewBLGvk0fQN1gOhcnAkM4HrkMXkl0phwt3oN6Z8RTJ+28kig8Um436OvtSM6yZWTJY9jItCXK/MuAodt0x16c7eSjA5TiThjNrF6NUKaUNSFoGmMklQvTuoTNSo1elTos++edYlEPojn0= 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: List-Subscribe: List-Unsubscribe: On Mon, 2 Jun 2025, Vlastimil Babka wrote: > The slab allocator observes the task's NUMA policy in various places > such as allocating slab pages. Large kmalloc() allocations used to do > that too, until an unintended change by c4cab557521a ("mm/slab_common: > cleanup kmalloc_large()") resulted in ignoring mempolicy and just > preferring the local node. Restore the NUMA policy support. Acked-by: Christoph Lameter (Ampere)