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 32D3AC5AD49 for ; Mon, 2 Jun 2025 21:55:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A2B476B0355; Mon, 2 Jun 2025 17:55:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9DB726B0356; Mon, 2 Jun 2025 17:55:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8CC526B0357; Mon, 2 Jun 2025 17:55:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 671E16B0355 for ; Mon, 2 Jun 2025 17:55:21 -0400 (EDT) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id D6A0A1A14D0 for ; Mon, 2 Jun 2025 21:55:20 +0000 (UTC) X-FDA: 83511817200.15.91170A7 Received: from out-172.mta1.migadu.com (out-172.mta1.migadu.com [95.215.58.172]) by imf25.hostedemail.com (Postfix) with ESMTP id 03027A0007 for ; Mon, 2 Jun 2025 21:55:18 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=jpIjGecw; spf=pass (imf25.hostedemail.com: domain of roman.gushchin@linux.dev designates 95.215.58.172 as permitted sender) smtp.mailfrom=roman.gushchin@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1748901319; 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=oo3I4f30jXyErZDGdaAuUMEz0xSs68rR1L+FyYncphg=; b=Sb6s3qIJT9zuhOFDn2JDP89LqGrjbu44FHoOxuRfQ4vVwm04HM8aK3hOb2eRxe3Bcag7Fi /VHjM3sr8EHetitkJhJ9OsAA41hWbixK/lb6PCzhHOAkxHNK/5XmTxkqiiOiWGCKo/q9ui 4hI3Yff2iNbH1DpnGzGv6PK+22xfmR8= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=jpIjGecw; spf=pass (imf25.hostedemail.com: domain of roman.gushchin@linux.dev designates 95.215.58.172 as permitted sender) smtp.mailfrom=roman.gushchin@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1748901319; a=rsa-sha256; cv=none; b=bL+wFPgmKulQK+j9v0AdW6SsadQ8/8cn3vXbqgykNzVOgxrAbXsVJaWvx967XwXpNPbShW iWscJod+kzlQpxjFinxNrIwScrQxfykrfb9M4bWWcVnjfqN2Rg43oL4yL2ky9KK2THitCD /YmDM5pUIk25U6atir5x89DTbOfRugE= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1748901316; 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: in-reply-to:in-reply-to:references:references; bh=oo3I4f30jXyErZDGdaAuUMEz0xSs68rR1L+FyYncphg=; b=jpIjGecwXp0f/ZnGZp/RUblspujfr4DhcN1BFhelkLBby5XZXJl2R1Z5jxzBJLieK9wOd9 uSRhsKulxKoUbfbRbcHq2f3/oQc5xs2TpnGxSt5dY/yiDRYNGCIDWPQKs5GQAoXSU4PeTX MOB4k8hrNplMguBNPuG+K9eilzEk+D8= From: Roman Gushchin To: Vlastimil Babka Cc: Christoph Lameter , David Rientjes , Andrew Morton , 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> (Vlastimil Babka's message of "Mon, 02 Jun 2025 13:02:12 +0200") References: <20250602-frozen-pages-for-large-kmalloc-v2-0-84a21f2c3640@suse.cz> <20250602-frozen-pages-for-large-kmalloc-v2-1-84a21f2c3640@suse.cz> Date: Mon, 02 Jun 2025 21:54:21 +0000 Message-ID: <7ia4tt4xvmgi.fsf@castle.c.googlers.com> MIME-Version: 1.0 Content-Type: text/plain X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 03027A0007 X-Stat-Signature: ms8bptni1ihhf5ssy9gyxmtn35y3jjbg X-Rspam-User: X-HE-Tag: 1748901318-799932 X-HE-Meta: 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 p0UjAQC5 RDpr1x+iAKvNccE3coLYS6SXcM9WRqczBVsq8bLHIldgI3tIsloItky3XiD0hDHHgFVnXFXJSKtOkM14MpSRHLtcMJ3iT80dn/WGfaCxwkC2zEjUmdOMVM6v+TK3ATbOkSVcK 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: Vlastimil Babka writes: > 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. > > Fixes: c4cab557521a ("mm/slab_common: cleanup kmalloc_large()") > Signed-off-by: Vlastimil Babka Acked-by: Roman Gushchin Thanks!