From: Srikar Dronamraju <srikar@linux.vnet.ibm.com> To: Andrew Morton <akpm@linux-foundation.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>, linux-mm@kvack.org, Mel Gorman <mgorman@suse.de>, Michael Ellerman <mpe@ellerman.id.au>, Sachin Sant <sachinp@linux.vnet.ibm.com>, Michal Hocko <mhocko@kernel.org>, Christopher Lameter <cl@linux.com>, linuxppc-dev@lists.ozlabs.org, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Kirill Tkhai <ktkhai@virtuozzo.com>, Vlastimil Babka <vbabka@suse.cz>, Bharata B Rao <bharata@linux.ibm.com> Subject: [PATCH 0/4] Fix kmalloc_node on offline nodes Date: Tue, 17 Mar 2020 18:47:49 +0530 [thread overview] Message-ID: <20200317131753.4074-1-srikar@linux.vnet.ibm.com> (raw) In-Reply-To: <3381CD91-AB3D-4773-BA04-E7A072A63968@linux.vnet.ibm.com> Sachin recently reported that linux-next was no more bootable on few systems. https://lore.kernel.org/linux-next/3381CD91-AB3D-4773-BA04-E7A072A63968@linux.vnet.ibm.com/ # numactl -H available: 2 nodes (0-1) node 0 cpus: node 0 size: 0 MB node 0 free: 0 MB node 1 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 node 1 size: 35247 MB node 1 free: 30907 MB node distances: node 0 1 0: 10 40 1: 40 10 # Sachin bisected the problem to Commit a75056fc1e7c ("mm/memcontrol.c: allocate shrinker_map on appropriate NUMA node") The root cause analysis showed that mm/slub and powerpc/numa had some shortcomings with respect to offline nodes. This patch series is on top of patches posted at https://lore.kernel.org/linuxppc-dev/20200311110237.5731-1-srikar@linux.vnet.ibm.com/t/#u Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Cc: Mel Gorman <mgorman@suse.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Sachin Sant <sachinp@linux.vnet.ibm.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Christopher Lameter <cl@linux.com> Cc: linuxppc-dev@lists.ozlabs.org Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Kirill Tkhai <ktkhai@virtuozzo.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.ibm.com> Srikar Dronamraju (4): mm: Check for node_online in node_present_pages mm/slub: Use mem_node to allocate a new slab mm: Implement reset_numa_mem powerpc/numa: Set fallback nodes for offline nodes arch/powerpc/mm/numa.c | 11 ++++++++++- include/asm-generic/topology.h | 3 +++ include/linux/mmzone.h | 6 ++++-- include/linux/topology.h | 7 +++++++ mm/slub.c | 19 ++++++++----------- 5 files changed, 32 insertions(+), 14 deletions(-) -- 2.18.1
WARNING: multiple messages have this Message-ID (diff)
From: Srikar Dronamraju <srikar@linux.vnet.ibm.com> To: Andrew Morton <akpm@linux-foundation.org> Cc: Sachin Sant <sachinp@linux.vnet.ibm.com>, Srikar Dronamraju <srikar@linux.vnet.ibm.com>, Michal Hocko <mhocko@kernel.org>, linux-mm@kvack.org, Kirill Tkhai <ktkhai@virtuozzo.com>, Mel Gorman <mgorman@suse.de>, Christopher Lameter <cl@linux.com>, Bharata B Rao <bharata@linux.ibm.com>, linuxppc-dev@lists.ozlabs.org, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Vlastimil Babka <vbabka@suse.cz> Subject: [PATCH 0/4] Fix kmalloc_node on offline nodes Date: Tue, 17 Mar 2020 18:47:49 +0530 [thread overview] Message-ID: <20200317131753.4074-1-srikar@linux.vnet.ibm.com> (raw) In-Reply-To: <3381CD91-AB3D-4773-BA04-E7A072A63968@linux.vnet.ibm.com> Sachin recently reported that linux-next was no more bootable on few systems. https://lore.kernel.org/linux-next/3381CD91-AB3D-4773-BA04-E7A072A63968@linux.vnet.ibm.com/ # numactl -H available: 2 nodes (0-1) node 0 cpus: node 0 size: 0 MB node 0 free: 0 MB node 1 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 node 1 size: 35247 MB node 1 free: 30907 MB node distances: node 0 1 0: 10 40 1: 40 10 # Sachin bisected the problem to Commit a75056fc1e7c ("mm/memcontrol.c: allocate shrinker_map on appropriate NUMA node") The root cause analysis showed that mm/slub and powerpc/numa had some shortcomings with respect to offline nodes. This patch series is on top of patches posted at https://lore.kernel.org/linuxppc-dev/20200311110237.5731-1-srikar@linux.vnet.ibm.com/t/#u Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Cc: Mel Gorman <mgorman@suse.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Sachin Sant <sachinp@linux.vnet.ibm.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Christopher Lameter <cl@linux.com> Cc: linuxppc-dev@lists.ozlabs.org Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Kirill Tkhai <ktkhai@virtuozzo.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.ibm.com> Srikar Dronamraju (4): mm: Check for node_online in node_present_pages mm/slub: Use mem_node to allocate a new slab mm: Implement reset_numa_mem powerpc/numa: Set fallback nodes for offline nodes arch/powerpc/mm/numa.c | 11 ++++++++++- include/asm-generic/topology.h | 3 +++ include/linux/mmzone.h | 6 ++++-- include/linux/topology.h | 7 +++++++ mm/slub.c | 19 ++++++++----------- 5 files changed, 32 insertions(+), 14 deletions(-) -- 2.18.1
next prev parent reply other threads:[~2020-03-17 13:20 UTC|newest] Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-18 10:45 [5.6.0-rc2-next-20200218/powerpc] Boot failure on POWER9 Sachin Sant 2020-02-18 10:50 ` Kirill Tkhai 2020-02-18 10:50 ` Kirill Tkhai 2020-02-18 11:01 ` Kirill Tkhai 2020-02-18 11:01 ` Kirill Tkhai 2020-02-18 11:35 ` Kirill Tkhai 2020-02-18 11:35 ` Kirill Tkhai 2020-02-18 11:40 ` Sachin Sant 2020-02-18 11:55 ` Michal Hocko 2020-02-18 11:55 ` Michal Hocko 2020-02-18 14:00 ` Sachin Sant 2020-02-18 14:00 ` Sachin Sant 2020-02-18 14:26 ` Michal Hocko 2020-02-18 14:26 ` Michal Hocko 2020-02-18 15:11 ` Sachin Sant 2020-02-18 15:11 ` Sachin Sant 2020-02-18 15:24 ` Michal Hocko 2020-02-18 15:24 ` Michal Hocko 2020-02-22 3:38 ` Christopher Lameter 2020-02-22 3:38 ` Christopher Lameter 2020-02-24 8:58 ` Michal Hocko 2020-02-24 8:58 ` Michal Hocko 2020-02-26 18:25 ` Christopher Lameter 2020-02-26 18:25 ` Christopher Lameter 2020-02-26 18:41 ` Michal Hocko 2020-02-26 18:41 ` Michal Hocko 2020-02-26 18:44 ` Christopher Lameter 2020-02-26 18:44 ` Christopher Lameter 2020-02-26 19:01 ` Michal Hocko 2020-02-26 19:01 ` Michal Hocko 2020-02-26 20:31 ` David Rientjes 2020-02-26 20:31 ` David Rientjes 2020-02-26 20:52 ` Michal Hocko 2020-02-26 20:52 ` Michal Hocko 2020-02-26 21:45 ` Vlastimil Babka 2020-02-26 21:45 ` Vlastimil Babka 2020-02-26 22:29 ` Vlastimil Babka 2020-02-26 22:29 ` Vlastimil Babka 2020-02-27 12:12 ` Michal Hocko 2020-02-27 12:12 ` Michal Hocko 2020-02-27 16:00 ` Sachin Sant 2020-02-27 16:00 ` Sachin Sant 2020-02-27 16:16 ` Vlastimil Babka 2020-02-27 18:26 ` Michal Hocko 2020-02-27 18:26 ` Michal Hocko 2020-03-10 15:01 ` Michal Hocko 2020-03-10 15:01 ` Michal Hocko 2020-03-12 12:18 ` Michael Ellerman 2020-03-12 12:18 ` Michael Ellerman 2020-03-12 16:51 ` Sachin Sant 2020-03-12 16:51 ` Sachin Sant 2020-03-13 10:48 ` Michael Ellerman 2020-03-13 10:48 ` Michael Ellerman 2020-03-13 11:12 ` Srikar Dronamraju 2020-03-13 11:12 ` Srikar Dronamraju 2020-03-13 11:35 ` Vlastimil Babka 2020-03-13 11:35 ` Vlastimil Babka 2020-03-14 8:10 ` Sachin Sant 2020-02-27 12:02 ` Michal Hocko 2020-02-27 12:02 ` Michal Hocko 2020-02-18 11:38 ` Sachin Sant 2020-02-18 11:53 ` Kirill Tkhai 2020-03-17 13:17 ` Srikar Dronamraju [this message] 2020-03-17 13:17 ` [PATCH 0/4] Fix kmalloc_node on offline nodes Srikar Dronamraju 2020-03-17 13:17 ` [PATCH 1/4] mm: Check for node_online in node_present_pages Srikar Dronamraju 2020-03-17 13:17 ` Srikar Dronamraju 2020-03-17 13:37 ` Srikar Dronamraju 2020-03-17 13:37 ` Srikar Dronamraju 2020-03-17 13:17 ` [PATCH 2/4] mm/slub: Use mem_node to allocate a new slab Srikar Dronamraju 2020-03-17 13:17 ` Srikar Dronamraju 2020-03-17 13:34 ` Vlastimil Babka 2020-03-17 13:34 ` Vlastimil Babka 2020-03-17 13:45 ` Srikar Dronamraju 2020-03-17 13:45 ` Srikar Dronamraju 2020-03-17 13:53 ` Vlastimil Babka 2020-03-17 13:53 ` Vlastimil Babka 2020-03-17 14:51 ` Srikar Dronamraju 2020-03-17 14:51 ` Srikar Dronamraju 2020-03-17 15:29 ` Vlastimil Babka 2020-03-17 15:29 ` Vlastimil Babka 2020-03-18 7:29 ` Srikar Dronamraju 2020-03-18 7:29 ` Srikar Dronamraju 2020-03-17 16:41 ` Srikar Dronamraju 2020-03-17 16:41 ` Srikar Dronamraju 2020-03-17 13:17 ` [PATCH 3/4] mm: Implement reset_numa_mem Srikar Dronamraju 2020-03-17 13:17 ` Srikar Dronamraju 2020-03-17 13:17 ` [PATCH 4/4] powerpc/numa: Set fallback nodes for offline nodes Srikar Dronamraju 2020-03-17 13:17 ` Srikar Dronamraju 2020-03-17 14:22 ` Bharata B Rao 2020-03-17 14:22 ` Bharata B Rao 2020-03-17 14:29 ` Srikar Dronamraju 2020-03-17 14:29 ` Srikar Dronamraju
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