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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7FC32CD6E7C for ; Fri, 5 Jun 2026 11:59:28 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A8D5B6B0005; Fri, 5 Jun 2026 07:59:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A3E346B0088; Fri, 5 Jun 2026 07:59:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 92D316B008A; Fri, 5 Jun 2026 07:59:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 81B426B0005 for ; Fri, 5 Jun 2026 07:59:27 -0400 (EDT) Received: from smtpin18.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 0ED43164305 for ; Fri, 5 Jun 2026 11:59:27 +0000 (UTC) X-FDA: 84845713974.18.CB219F5 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf03.hostedemail.com (Postfix) with ESMTP id 574C120006 for ; Fri, 5 Jun 2026 11:59:25 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=Zl2REIDg; spf=pass (imf03.hostedemail.com: domain of vbabka@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=vbabka@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1780660765; b=lT+TNbSHE8YLT+QkHFg+c+tpOjPDYAnPKKQ6i6jMWvl3k8HEEQlROPgQnxRYD671Ctm7cC dS107KybcUOZ36NY9t0WYia8xR0tLJ+Dv1oJ2zsTX3JfP7+l2Sq9uj5dLTuWyXYSjVxmCq nK3xuCAmxC3uouwqOAVVo5rJMC/M4Ww= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=Zl2REIDg; spf=pass (imf03.hostedemail.com: domain of vbabka@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=vbabka@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1780660765; 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=wiOY95bbms3ph6ntuxqrCRd7im8fwXbJxnhcBs8rZm0=; b=Y8pd/M7Hy+2cJYgpA7Ac5Tw9Z+hV64w5omYdr4KMezW3/1PRAQqW+N41Q2b0iY8rk6A0zy 6occ23gn6ZCBO8XLXxqNhIhhB8GuqRnhHFJB/X0cZwNp5MUrT5RupViJ+79+ydF6Ygy+AW cRIV0Z7xIhJbUGUa12MEjkuo0s+QWUU= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id B7F16601DD; Fri, 5 Jun 2026 11:59:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 221391F00893; Fri, 5 Jun 2026 11:59:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780660764; bh=wiOY95bbms3ph6ntuxqrCRd7im8fwXbJxnhcBs8rZm0=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=Zl2REIDgG5ZqGgghwyl7YWWUvU1WXXbSFjB0mqOW1AxnfPowAFppenxyPu5QZ8WQC YLvFTcIaZ69LfBP38RP3NJsmOFKSwlJRwfO0axy8wEOcHPdtC1r1y/bZxAzR5wOD9n FHwz+UDCB22ler3P5uVPVZ4UYD6QJ2XKQh6RazBWNDqsaKryrgSPXnB8qD5AYUksJQ PCkklFXpZIQd6RpTwocpvtgO7gpYJQPf26guJ/eqc6/kj0zyHONXlKOsG6GwOEwqKk A8IcgxbQKDfxJ8lL3KuYJAgI3mnbNT84sX6g6AW4CGpdvZD6lSvgiG6rHX7aVED1bd 9b9YM7gR1ifVQ== Message-ID: <63ecf4a2-13a2-42d2-8990-e53e50ae9a65@kernel.org> Date: Fri, 5 Jun 2026 13:59:19 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] mm/slab: add a node-track-caller variant for kmem buckets allocation Content-Language: en-US To: Pedro Falcato , Harry Yoo , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: linux-hardening@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin , Simon Horman , Jason Xing , Kuniyuki Iwashima References: <20260602183122.747759-1-pfalcato@suse.de> <20260602183122.747759-2-pfalcato@suse.de> From: "Vlastimil Babka (SUSE)" Autocrypt: addr=vbabka@kernel.org; keydata= xsFNBFZdmxYBEADsw/SiUSjB0dM+vSh95UkgcHjzEVBlby/Fg+g42O7LAEkCYXi/vvq31JTB KxRWDHX0R2tgpFDXHnzZcQywawu8eSq0LxzxFNYMvtB7sV1pxYwej2qx9B75qW2plBs+7+YB 87tMFA+u+L4Z5xAzIimfLD5EKC56kJ1CsXlM8S/LHcmdD9Ctkn3trYDNnat0eoAcfPIP2OZ+ 9oe9IF/R28zmh0ifLXyJQQz5ofdj4bPf8ecEW0rhcqHfTD8k4yK0xxt3xW+6Exqp9n9bydiy tcSAw/TahjW6yrA+6JhSBv1v2tIm+itQc073zjSX8OFL51qQVzRFr7H2UQG33lw2QrvHRXqD Ot7ViKam7v0Ho9wEWiQOOZlHItOOXFphWb2yq3nzrKe45oWoSgkxKb97MVsQ+q2SYjJRBBH4 8qKhphADYxkIP6yut/eaj9ImvRUZZRi0DTc8xfnvHGTjKbJzC2xpFcY0DQbZzuwsIZ8OPJCc LM4S7mT25NE5kUTG/TKQCk922vRdGVMoLA7dIQrgXnRXtyT61sg8PG4wcfOnuWf8577aXP1x 6mzw3/jh3F+oSBHb/GcLC7mvWreJifUL2gEdssGfXhGWBo6zLS3qhgtwjay0Jl+kza1lo+Cv BB2T79D4WGdDuVa4eOrQ02TxqGN7G0Biz5ZLRSFzQSQwLn8fbwARAQABzSNWbGFzdGltaWwg QmFia2EgPHZiYWJrYUBrZXJuZWwub3JnPsLBsAQTAQoAWhYhBKlA1DSZLC6OmRA9UCJPp+fM gqZkBQJqFFy6GxSAAAAAAAQADm1hbnUyLDIuNSsxLjEyLDIsMgIbAwUJGtCBUAULCQgHAwUV CgkICwUWAgMBAAIeBQIXgAAKCRAiT6fnzIKmZJIUEADFx/tREzUImHrEwVHeSvDFmA7tJysI UVrlvrM09E7GIuzphzv7jYmo8n3ANpCczLEVr4G0syYQdTigaZgv3+FQDIIzhKih1IHhu1Ei XHlywNWKnQxxQEUNi5Mwx43wQz5XVw9F1A7gtKBKNtfogO511hAbrzagrYajyQacEJ/+sfhZ 9Da8ltHIXD8pcYaHUfQgEusCgmEd9+KrUwrTbckFKmYq5chuE6yJ4J0EmWknL096jIE6CnzF FRslQ3B1UKDjxVsm1ZHfir5NeWszLkTvGFsddFaWTgh8UycESG6VQzKXjjewXu2pG7YQYRpj QKm1W5X2TkwWkXRBZTmfmbhxIUMh3+zf5wQ463rSmDN/8v81tdqBtAW6rH/kzg1GvkaTHXn0 507yEHFzBksk2viAuIxxr7km8+/KARYLIdGtx30EG8cKzAUZOK6WqxtNCsXUJNrVE8CWrCaD icoNu7Fs1c5hmPHdSTnU48ce67449DdnO4neLSNhRiGlMHJgfJUmgrxu/hcYeOZ3haWmEQ2w uW1Mh01OHi8QZHCEyAbABrPs9GUgccc/4eYXX9hIgxfSkYzn8f+8NuIFPWl/0uTvjgqU29FQ SbzOLxHq9439Ox40G5mS5eZXRGxITYR+6TXvRGI6P/264jvflnr/pDGUttaikU+0W+1uxgKH cmYbEc7ATQRbGTU1AQgAn0H6UrFiWcovkh6EXVcl+SeqyO6JHOPm+e9Wu0Vw+VIUvXZVUVVQ La1PQDUi6j00ChlcR66g9/V0sPIcSutacPKfdKYOBvzd4rlhL8rfrdEsQw5ApZxrA8kYZVMh FmBRKAa6wos25moTlMKpCWzTH84+WO5+ziCTsTUZASAToz3RdunTD+vQcHj0GqNTPAHK63sf bAB2I0BslZkXkY1RLb/YhuA6E7JyEd2pilZOrIuBGl/5q2qSakgnAVFWFBR/DO27JuAksYnq +aH8vI0xGvwn75KqSk4UzAkDzWSmO4ZHuahKtQgZNsMYV+PGayRBX9b9zbldzopoLBdqHc4n jQARAQABwsF8BBgBCgAmAhsMFiEEqUDUNJksLo6ZED1QIk+n58yCpmQFAmfIHFQFCRYU6J8A CgkQIk+n58yCpmS2PA//bqN1LfcotmArgElsa+0EGZSQlYgK48pm8WAeTXTngudP9IJ4SuKY HR5RNjHcBeqN+Me0zxRqYzRb8nGanHEkDyf4Im8DQM8d6vbyU+FcPmG4skud4kgS1zMHnlVd SXfSIwKC/hKgdHG8aBV7545Lz9X6Iohea+94wneD0aw/hqF+QWewGZhWJriWAZtvEkzNjQOi 4U9F/trLten/x7bpphDSnDMKJtITbtzATT1Dq7o7VpIUK1nCTQALMuMjKCdi8OdU/+V+R3O4 0PXWvX8qrvqYapVbZ+9KqT74FsuB0Ya9uXwgBF2Q6cRuETZk5vqaqKxzqoQZCO8AOz/58j6O 2RHNy/mZEN+7tJ5Tsq42zVJ4jxsT8b9YplavCMsnBgDeRWhcbYhCyttoL7nYISyWg4kQYZ/P wIV3OuNv2f8iKYsxNsRuClOAF82+gvqOy1/1pprFjy8uo2pkoOrb63aOP3vO5VHnRKgra6dq NcaZ+c6J4H+nEJGi2SkHAUJz5oBzuThvPudLvPA/SK8sKoM01IRxSihev/S/5WLazXB1PGem OCbvzC1IjWJJraxiDJ5IygokapUa2RP7+WBR22skQ3SSl6G107QgWKSyTOGWEaRmV53vxQLV jXuCmzSSasTL60zq5yGrT4/DYQVSNEUiUbG4pYekxJujNeEDkUlky0Y= In-Reply-To: <20260602183122.747759-2-pfalcato@suse.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 574C120006 X-Stat-Signature: 7q65uxji6cwcro6bw4ineufbiw3jnkta X-Rspamd-Server: rspam03 X-Rspam-User: X-HE-Tag: 1780660765-327738 X-HE-Meta: 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 tPaAgsvq Jicww77N48xyrxbMmUCtx2gKykq+vprPrd8OwmCmnM4ILPO2Zan/y3SxDPVGAhRvOjCLLGr8at++vHf5Zjn9TxbYURjTy2LJLOShntZdNayVW0cblotGLZL8Z4sIdKcziETh+SQXYd/rvYAYBdEL1gxmXjBsT9JCOQHaf7K6aDfv+Rz/NvDlXlaqMOuyKwmJnFZ4jrpZU78YY/+PTgUU4IlU1vV7myJ7QagE3mieLDRMgA8Uk6VpJkug/yTtEU1vb5IqV6CL8rns93uAxJ19Ae2X08g== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 6/2/26 20:31, Pedro Falcato wrote: > This is required by users that want to use kmem buckets, but still > desire specifying the NUMA node. > > Signed-off-by: Pedro Falcato Acked-by: Vlastimil Babka (SUSE) As the main change is in net code, probably should go in the net tree? > --- > include/linux/slab.h | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/include/linux/slab.h b/include/linux/slab.h > index 7b46fa499b08..685a87d8f0c5 100644 > --- a/include/linux/slab.h > +++ b/include/linux/slab.h > @@ -1153,8 +1153,11 @@ void *kmalloc_nolock(size_t size, gfp_t gfp_flags, int node); > #define kmem_buckets_alloc(_b, _size, _flags) \ > alloc_hooks(__kmalloc_node_noprof(PASS_KMALLOC_PARAMS(_size, _b, __kmalloc_token(_size)), _flags, NUMA_NO_NODE)) > > -#define kmem_buckets_alloc_track_caller(_b, _size, _flags) \ > - alloc_hooks(__kmalloc_node_track_caller_noprof(PASS_KMALLOC_PARAMS(_size, _b, __kmalloc_token(_size)), _flags, NUMA_NO_NODE, _RET_IP_)) > +#define kmem_buckets_alloc_node_track_caller(_b, _size, _flags, _node) \ > + alloc_hooks(__kmalloc_node_track_caller_noprof(PASS_KMALLOC_PARAMS(_size, _b, __kmalloc_token(_size)), _flags, _node, _RET_IP_)) > + > +#define kmem_buckets_alloc_track_caller(_b, _size, _flags) \ > + kmem_buckets_alloc_node_track_caller(_b, _size, _flags, NUMA_NO_NODE) > > static __always_inline __alloc_size(1) void *_kmalloc_node_noprof(size_t size, gfp_t flags, int node, kmalloc_token_t token) > {