Re: [PATCH] mm/memory_hotplug: drain per-cpu pages again during memory offline

Sasha Levin
2020-09-01T14:32:36Z

Hi

[This is an automated email]

This commit has been processed because it contains a -stable tag.
The stable tag indicates that it's relevant for the following trees: all

The bot has tested the following trees: v5.8.5, v5.4.61, v4.19.142, v4.14.195, v4.9.234, v4.4.234.

v5.8.5: Build OK!
v5.4.61: Build OK!
v4.19.142: Failed to apply! Possible dependencies:
2932c8b05056 ("mm, memory_hotplug: be more verbose for memory offline failures")
5557c766abad ("mm, memory_hotplug: cleanup memory offline path")
7960509329c2 ("mm, memory_hotplug: print reason for the offlining failure")
7c2ee349cf79 ("memblock: rename __free_pages_bootmem to memblock_free_pages")
9b7ea46a82b3 ("mm/hotplug: fix offline undo_isolate_page_range()")
a9cd410a3d29 ("mm/page_alloc.c: memory hotplug: free pages as higher order")
bb8965bd82fd ("mm, memory_hotplug: deobfuscate migration part of offlining")
d381c54760dc ("mm: only report isolation failures when offlining memory")

v4.14.195: Failed to apply! Possible dependencies:
1b7176aea0a9 ("memory hotplug: fix comments when adding section")
24e6d5a59ac7 ("mm: pass the vmem_altmap to arch_add_memory and __add_pages")
2f47a91f4dab ("mm: deferred_init_memmap improvements")
381eab4a6ee8 ("mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock")
7960509329c2 ("mm, memory_hotplug: print reason for the offlining failure")
7b73d978a5d0 ("mm: pass the vmem_altmap to vmemmap_populate")
80b1f41c0957 ("mm: split deferred_init_range into initializing and freeing parts")
9bb5a391f9a5 ("mm, memory_hotplug: fix memmap initialization")
b9ff036082cd ("mm/memory_hotplug.c: make add_memory_resource use __try_online_node")
bb8965bd82fd ("mm, memory_hotplug: deobfuscate migration part of offlining")
d0dc12e86b31 ("mm/memory_hotplug: optimize memory hotplug")
e8b098fc5747 ("mm: kernel-doc: add missing parameter descriptions")
f7f99100d8d9 ("mm: stop zeroing memory during allocation in vmemmap")

v4.9.234: Failed to apply! Possible dependencies:
1b862aecfbd4 ("mm, memory_hotplug: get rid of is_zone_device_section")
381eab4a6ee8 ("mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock")
385386cff4c6 ("mm: vmstat: move slab statistics from zone to node counters")
438cc81a41e8 ("powerpc/pseries: Automatically resize HPT for memory hot add/remove")
72675e131eb4 ("mm, memory_hotplug: drop zone from build_all_zonelists")
7960509329c2 ("mm, memory_hotplug: print reason for the offlining failure")
88ed365ea227 ("mm: don't steal highatomic pageblock")
a6ffdc07847e ("mm: use is_migrate_highatomic() to simplify the code")
b93e0f329e24 ("mm, memory_hotplug: get rid of zonelists_mutex")
bb8965bd82fd ("mm, memory_hotplug: deobfuscate migration part of offlining")
c8f9565716e3 ("mm, memory_hotplug: use node instead of zone in can_online_high_movable")
f1dd2cd13c4b ("mm, memory_hotplug: do not associate hotadded memory to zones until online")

v4.4.234: Failed to apply! Possible dependencies:
0caeef63e6d2 ("libnvdimm: Add a poison list and export badblocks")
0e749e54244e ("dax: increase granularity of dax_clear_blocks() operations")
1b862aecfbd4 ("mm, memory_hotplug: get rid of is_zone_device_section")
260ae3f7db61 ("mm: skip memory block registration for ZONE_DEVICE")
34c0fd540e79 ("mm, dax, pmem: introduce pfn_t")
381eab4a6ee8 ("mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock")
4a65429457a5 ("s390/mm: fix zone calculation in arch_add_memory()")
4b94ffdc4163 ("x86, mm: introduce vmem_altmap to augment vmemmap_populate()")
7960509329c2 ("mm, memory_hotplug: print reason for the offlining failure")
87ba05dff351 ("libnvdimm: don't fail init for full badblocks list")
ad9a8bde2cb1 ("libnvdimm, pmem: move definition of nvdimm_namespace_add_poison to nd.h")
b95f5f4391fa ("libnvdimm: convert to statically allocated badblocks")
bb8965bd82fd ("mm, memory_hotplug: deobfuscate migration part of offlining")
f1dd2cd13c4b ("mm, memory_hotplug: do not associate hotadded memory to zones until online")

NOTE: The patch will not be queued to stable trees until it is upstream.

How should we proceed with this patch?

--
Thanks
Sasha