Changelog v1 -> v2: - Handled comments from Vlastimil Babka and Bharata B Rao - Changes only in patch 2 and 4.
Sachin recently reported that linux-next was no more bootable on few powerpc systems. https://lore.kernel.org/linux-next/[email protected]/ # 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/[email protected]/t/#u Cc: Andrew Morton <[email protected]> Cc: [email protected] Cc: Mel Gorman <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Sachin Sant <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Christopher Lameter <[email protected]> Cc: [email protected] Cc: Joonsoo Kim <[email protected]> Cc: Kirill Tkhai <[email protected]> Cc: Vlastimil Babka <[email protected]> Cc: Srikar Dronamraju <[email protected]> Cc: Bharata B Rao <[email protected]> Cc: Nathan Lynch <[email protected]> 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/include/asm/topology.h | 16 ++++++++++++++++ arch/powerpc/kernel/smp.c | 1 + include/asm-generic/topology.h | 3 +++ include/linux/mmzone.h | 6 ++++-- include/linux/topology.h | 7 +++++++ mm/slub.c | 9 +++++---- 6 files changed, 36 insertions(+), 6 deletions(-) -- 2.18.1
