From nobody Fri Sep 25 00:03:42 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2FA234B4864 for ; Fri, 18 Sep 2026 16:34:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789749294; cv=none; b=GgqZfjVv2xEXDCfNgy8KsWpb2MknNKVMOsz5eIgHDq6KzEcdzxAT24bX7Nk88l2BtcU7pCpalD7ddq23nhMLgfWVCfDpiuebetBaa2N1JdIVzKi7PCH1iyKCi7DDhqXOJ9Lz0ht44a1/ElfOy4+l8MYs1CRYYL3tZ450g8l6WKc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789749294; c=relaxed/simple; bh=mOcjDBoxi4jC+KgF2UHzT++wwk77CLE5fJZy2jPp9U8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To; b=c8E1zxEA2odYmw7ri7q9T2AMIA1GrrGM4so+tPO1cPWP1S7Ot4SRIF2lQS8MGErJE7LfszT2TUGWgvbW8CMAx/oqbaOKngmtOaciQNwg7e7YNEBSuQqcHXkUGkUX3D9AVXbyxYPDzYIP6RdBFt0+aSl5LsiaICck+OjPQcWToc4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YlNB6es5; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YlNB6es5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ACC091F00899; Fri, 18 Sep 2026 16:34:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789749292; bh=y2ursOTDbgQ5WZsTMNPGX/EH4HSKwisDuvpZ2m6uqMk=; h=From:Date:Subject:References:In-Reply-To:To; b=YlNB6es5ZAY97rM64G4VaQskerl5o9EyMXvvZpRnvHOPcR2aUnyGpoAuCTsc4NsEI GCRFAr1C0JadbMKaJ9GNPGPNvyZxRPd0Uzn3NEl08ovrM2oBcAtUkoOUsn5XydYVyA aoRuUwUm+U0UmshwNYMnOjENC17xVyoaPDo7iAWKQY2+88Imwt5Dqo2OcznWwLSqc8 HsjMe1B9gvHwrKjMB15KJrCcYNoQnl3WDJnpzYhml1H8spTkT9T1Q7BurgVXoT3OO8 weM6MxaXGG6BLogddc5Xd7I3T7LB9X8dackh+34JYBqQffnEiG/on/XOnZJRnVAbcM Z2o9vmb+qCJFw== From: "David Hildenbrand (Arm)" Date: Fri, 18 Sep 2026 18:34:24 +0200 Subject: [PATCH 1/3] MAINTAINERS: split up MEMORY MANAGEMENT - MEMORY POLICY AND MIGRATION Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260918-maintainers-mempolicy-v1-1-9a94cac6d135@kernel.org> References: <20260918-maintainers-mempolicy-v1-0-9a94cac6d135@kernel.org> In-Reply-To: <20260918-maintainers-mempolicy-v1-0-9a94cac6d135@kernel.org> To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Zi Yan , Matthew Brost , Joshua Hahn , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Gregory Price , Rakie Kim , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , "David Hildenbrand (Arm)" X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3452; i=david@kernel.org; h=from:subject:message-id; bh=mOcjDBoxi4jC+KgF2UHzT++wwk77CLE5fJZy2jPp9U8=; b=owGbwMvMwCF2/OVpCdfQ3ZWMp9WSGLLWZii7J/Au83Pp0Y+abTSTa+G2S5KeVa37dadd3vJEW lHvUcedjlIWBjEOBlkxRZag4PsGL1+uq61242OGmcPKBDKEgYtTACayazcjQ5dG4fObm96ouXa8 nOrhYcLj+8r9Q3aVqKdk87XOCZP/qTD803uX/aa24JvATCs7732Z983uvvnhyRIgdKxh4wu2s0/ 8+AE= X-Developer-Key: i=david@kernel.org; a=openpgp; fpr=1BD9CAAD735C4C3A460DFCCA4DDE10F700FF835A Let's split it up into MIGRATION and NUMA PLACEMENT. The latter is a better fitting description for mempolicy.c. Make a best guess about which pieces existing reviewers are interested in. Move the split sections to keep alphabetical order. Signed-off-by: David Hildenbrand (Arm) Acked-by: Lorenzo Stoakes (ARM) Acked-by: Vlastimil Babka (SUSE) Acked-by: Zi Yan Reviewed-by: Joshua Hahn Reviewed-by: SJ Park --- MAINTAINERS | 62 ++++++++++++++++++++++++++++++++++++---------------------= ---- 1 file changed, 37 insertions(+), 25 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 3b2eb2a7a89a8..77232db57b53d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17207,31 +17207,6 @@ F: include/trace/events/ksm.h F: mm/ksm.c F: mm/mm_slot.h =20 -MEMORY MANAGEMENT - MEMORY POLICY AND MIGRATION -M: Andrew Morton -M: David Hildenbrand -R: Zi Yan -R: Matthew Brost -R: Joshua Hahn -R: Rakie Kim -R: Byungchul Park -R: Gregory Price -R: Ying Huang -R: Alistair Popple -L: linux-mm@kvack.org -S: Maintained -W: http://www.linux-mm.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm -F: Documentation/ABI/testing/sysfs-kernel-mm-mempolicy -F: Documentation/ABI/testing/sysfs-kernel-mm-mempolicy-weighted-interleave -F: include/linux/mempolicy.h -F: include/uapi/linux/mempolicy.h -F: include/linux/migrate.h -F: include/linux/migrate_mode.h -F: mm/mempolicy.c -F: mm/migrate.c -F: mm/migrate_device.c - MEMORY MANAGEMENT - MGLRU (MULTI-GEN LRU) M: Andrew Morton R: Kairui Song @@ -17252,6 +17227,25 @@ F: include/linux/mmzone.h F: mm/vmscan.c F: mm/workingset.c =20 +MEMORY MANAGEMENT - MIGRATION +M: Andrew Morton +M: David Hildenbrand +R: Zi Yan +R: Matthew Brost +R: Joshua Hahn +R: Byungchul Park +R: Gregory Price +R: Ying Huang +R: Alistair Popple +L: linux-mm@kvack.org +S: Maintained +W: http://www.linux-mm.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm +F: include/linux/migrate.h +F: include/linux/migrate_mode.h +F: mm/migrate.c +F: mm/migrate_device.c + MEMORY MANAGEMENT - MISC M: Andrew Morton M: David Hildenbrand @@ -17304,6 +17298,24 @@ F: mm/numa.c F: mm/numa_emulation.c F: mm/numa_memblks.c =20 +MEMORY MANAGEMENT - NUMA PLACEMENT +M: Andrew Morton +M: David Hildenbrand +R: Zi Yan +R: Joshua Hahn +R: Rakie Kim +R: Gregory Price +R: Ying Huang +L: linux-mm@kvack.org +S: Maintained +W: http://www.linux-mm.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm +F: Documentation/ABI/testing/sysfs-kernel-mm-mempolicy +F: Documentation/ABI/testing/sysfs-kernel-mm-mempolicy-weighted-interleave +F: include/linux/mempolicy.h +F: include/uapi/linux/mempolicy.h +F: mm/mempolicy.c + MEMORY MANAGEMENT - OOM KILLER M: Michal Hocko R: David Rientjes --=20 2.43.0 From nobody Fri Sep 25 00:03:42 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B685B5172F6 for ; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="L7oemrp+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F4EC1F000FF; Fri, 18 Sep 2026 16:34:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789749297; bh=MsNld8aUbgRIh2O6l97cYYAQPrAGS7NYzO+geQva67A=; h=From:Date:Subject:References:In-Reply-To:To; b=L7oemrp+rrNnE4+Tt2e9cmSNkzn9oKbVyqO2t5vODb7ut75ggqJqs+JXQBeBM5C3j 7LfJL3qrXcgAplBN9bjW3/I/69ywNu1tGa9NFtKQB/cYpXPTnYQ8TV7a7TkPo4q1PC Idi5WvJMqWqMV2bDIRnp58qJ81hQZU+r4Z8vyHm9z3pyK99tRVh8MyTWEtUJ4FGOjW l5Y7V6Yc5jjlKtnkSTMBWThDUjmuSE8/cIPcUSXv5Jh4KAJtLv9lPdYh+YLbjBRmhz 7PgO1llreYx6bTMQ0ha6GY3odPxKyt3pVTHrmBt3kBgwWfZBHlNzM8vXw7nEDj/ewf APIfrKf6yhccw== From: "David Hildenbrand (Arm)" Date: Fri, 18 Sep 2026 18:34:25 +0200 Subject: [PATCH 2/3] MAINTAINERS: move memory tiering under MEMORY MANAGEMENT - NUMA PLACEMENT Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260918-maintainers-mempolicy-v1-2-9a94cac6d135@kernel.org> References: <20260918-maintainers-mempolicy-v1-0-9a94cac6d135@kernel.org> In-Reply-To: <20260918-maintainers-mempolicy-v1-0-9a94cac6d135@kernel.org> To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Zi Yan , Matthew Brost , Joshua Hahn , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Gregory Price , Rakie Kim , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , "David Hildenbrand (Arm)" X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1806; i=david@kernel.org; h=from:subject:message-id; bh=UPCYiVO/tjt8CLbaK9mu1VcDPWT+Zq6Sy/WXkOGWMYE=; b=owGbwMvMwCF2/OVpCdfQ3ZWMp9WSGLLWZigbbI1cXvn4xWbfEMar/5/LBVpzbM/4sPnuvwNqV qzRtXNlOkpZGMQ4GGTFFFmCgu8bvHy5rrbajY8ZZg4rE8gQBi5OAZjISnlGhvlSCpIXvM44cPpU FUy9qFTOLn0n7e3UKlE2v8nOIjf8LRkZJuZUfi0763LbRV1Evm/PmzVbKxc0P1yu/CH2R838DwW HWQE= X-Developer-Key: i=david@kernel.org; a=openpgp; fpr=1BD9CAAD735C4C3A460DFCCA4DDE10F700FF835A NUMA PLACEMENT is a better place for memory tiering. My best guess is that existing MISC reviewers are not that interested in memory tiering, so don't carry any over. Signed-off-by: David Hildenbrand (Arm) Acked-by: Lorenzo Stoakes (ARM) Acked-by: Vlastimil Babka (SUSE) Acked-by: Zi Yan Reviewed-by: Joshua Hahn Reviewed-byt: SJ Park --- MAINTAINERS | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 77232db57b53d..344875eefd175 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17261,7 +17261,6 @@ W: http://www.linux-mm.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm F: Documentation/ABI/testing/sysfs-kernel-mm F: Documentation/ABI/testing/sysfs-kernel-mm-cma -F: Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers F: Documentation/ABI/testing/sysfs-kernel-mm-numa F: Documentation/admin-guide/mm/ F: Documentation/mm/ @@ -17269,7 +17268,6 @@ F: drivers/char/mem.c F: include/linux/cma.h F: include/linux/dmapool.h F: include/linux/ioremap.h -F: include/linux/memory-tiers.h F: include/linux/page_idle.h F: mm/backing-dev.c F: mm/cma.c @@ -17281,7 +17279,6 @@ F: mm/early_ioremap.c F: mm/fadvise.c F: mm/ioremap.c F: mm/mapping_dirty_helpers.c -F: mm/memory-tiers.c F: mm/page_idle.c F: mm/pgalloc-track.h F: mm/process_vm_access.c @@ -17310,10 +17307,13 @@ L: linux-mm@kvack.org S: Maintained W: http://www.linux-mm.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm +F: Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers F: Documentation/ABI/testing/sysfs-kernel-mm-mempolicy F: Documentation/ABI/testing/sysfs-kernel-mm-mempolicy-weighted-interleave +F: include/linux/memory-tiers.h F: include/linux/mempolicy.h F: include/uapi/linux/mempolicy.h +F: mm/memory-tiers.c F: mm/mempolicy.c =20 MEMORY MANAGEMENT - OOM KILLER --=20 2.43.0 From nobody Fri Sep 25 00:03:42 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7BAF9517BB6 for ; Fri, 18 Sep 2026 16:35:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789749303; cv=none; b=avg+JXV8OTm1/8K9yZn1vqEzt8AQSZ4oWuDDiht3uHtGzQ5WlyvOA+D9Dxw0mAyQqgDXWaob+g/gWP4EYtla9uN8cmHeVJ/qPxHZ3gzMlmz/U3RlTie49G4MpOnZupRqm0YgtEImUx+Q+gRYnXBZq8baCNeN+iuUs4JGGpWHnVM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789749303; c=relaxed/simple; bh=v/DCBt0xJd8L6NUDQAFMY5940qJd6efWTNe1uMs+j9k=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To; b=FCq6E2xXQk5MFbdvC3g1fJZ0Bagckgwdec2rnD9Y6xv8AwDy75Nyi4ZF2PW4kp5oiABc4FEgirt4XM85DvhXOHGk6gFoBXkemMNG9YfPS1KqlmIE/FxVCSPfl6Tqe1XjnmrHDeXFyOkcT8nYgVdKUt0O18uN8z/9fNZYZpYDDaM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aHA52z+S; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aHA52z+S" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A14891F00898; Fri, 18 Sep 2026 16:34:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789749301; bh=m09ebYKn1lSLhUp2MxWN15CMX1SNCzhrYM9zCXuJyOQ=; h=From:Date:Subject:References:In-Reply-To:To; b=aHA52z+Si2AXUZr8Qi6/m8zhny9+Jiuro9jIf7og39Wb7b+Q2YCPDu7s82D+opw2w ACHOIVWCmQu6WnXWtxxGwYQ7kDFvUnH6JKq46ABFrJLCRDqGL4gIGzGfWSzBGABRkv ZIHUWXzSx1jTh1iMqCLIgQ2G8uj/irxwdHb2u6f/+bEk3gWhYwont1y5xnmwLwFbxU R84LFGqVGRwhaL1/4Idb11/+187MMsan/fIdj5Rh+tIagE2pG7+D3tk5bPPWsm6pH8 wjtLsgU0WZ09RonMdL0aeWDQEbt+6XYzo7JICgCx5OiagnUTBgCcffplqxedivpv87 FWVwtHq6SqyQw== From: "David Hildenbrand (Arm)" Date: Fri, 18 Sep 2026 18:34:26 +0200 Subject: [PATCH 3/3] MAINTAINERS: make Gregory a co-maintainer of MEMORY MANAGEMENT - NUMA PLACEMENT Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260918-maintainers-mempolicy-v1-3-9a94cac6d135@kernel.org> References: <20260918-maintainers-mempolicy-v1-0-9a94cac6d135@kernel.org> In-Reply-To: <20260918-maintainers-mempolicy-v1-0-9a94cac6d135@kernel.org> To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Zi Yan , Matthew Brost , Joshua Hahn , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Gregory Price , Rakie Kim , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , "David Hildenbrand (Arm)" X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=870; i=david@kernel.org; h=from:subject:message-id; bh=v/DCBt0xJd8L6NUDQAFMY5940qJd6efWTNe1uMs+j9k=; b=owGbwMvMwCF2/OVpCdfQ3ZWMp9WSGLLWZqg4x9wVVpkzN+rAtemtRWlesi/1Xs+68HNnV0FtJ 6OutnpaRykLgxgHg6yYIktQ8H2Dly/X1Va78THDzGFlAhnCwMUpABP5OI+R4VRInLjHpsNrdV9w c9uc3LRn9fJulXfPD2c017Z12D5nusnIMGNRb76ayhRbLYu6dQl++VxRU2ddum4nnD39eovo5K2 buAE= X-Developer-Key: i=david@kernel.org; a=openpgp; fpr=1BD9CAAD735C4C3A460DFCCA4DDE10F700FF835A Gregory is extremely familiar with NUMA placement handling and volunteer to help co-maintain the numa placement bits. So add him as a co-maintainer. Signed-off-by: David Hildenbrand (Arm) Acked-by: Gregory Price (Meta) Acked-by: Lorenzo Stoakes (ARM) Acked-by: SJ Park Acked-by: Vlastimil Babka (SUSE) Acked-by: Zi Yan Reviewed-by: Joshua Hahn --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 344875eefd175..2b99a593436d2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17298,10 +17298,10 @@ F: mm/numa_memblks.c MEMORY MANAGEMENT - NUMA PLACEMENT M: Andrew Morton M: David Hildenbrand +M: Gregory Price R: Zi Yan R: Joshua Hahn R: Rakie Kim -R: Gregory Price R: Ying Huang L: linux-mm@kvack.org S: Maintained --=20 2.43.0