Re: [PATCH V2 0/2] arm64/mm: Enable memory hot remove

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On 14.04.19 07:59, Anshuman Khandual wrote:
> This series enables memory hot remove on arm64 after fixing a memblock
> removal ordering problem in generic __remove_memory(). This is based
> on the following arm64 working tree.
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
> 
> Testing:
> 
> Tested hot remove on arm64 for all 4K, 16K, 64K page config options with
> all possible VA_BITS and PGTABLE_LEVELS combinations. Build tested on non
> arm64 platforms.
> 
> Changes in V2:
> 
> - Added all received review and ack tags
> - Split the series from ZONE_DEVICE enablement for better review
> 
> - Moved memblock re-order patch to the front as per Robin Murphy
> - Updated commit message on memblock re-order patch per Michal Hocko
> 
> - Dropped [pmd|pud]_large() definitions
> - Used existing [pmd|pud]_sect() instead of earlier [pmd|pud]_large()
> - Removed __meminit and __ref tags as per Oscar Salvador
> - Dropped unnecessary 'ret' init in arch_add_memory() per Robin Murphy
> - Skipped calling into pgtable_page_dtor() for linear mapping page table
>   pages and updated all relevant functions
> 
> Changes in V1: (https://lkml.org/lkml/2019/4/3/28)
> 
> Anshuman Khandual (2):
>   mm/hotplug: Reorder arch_remove_memory() call in __remove_memory()
>   arm64/mm: Enable memory hot remove
> 
>  arch/arm64/Kconfig               |   3 +
>  arch/arm64/include/asm/pgtable.h |   2 +
>  arch/arm64/mm/mmu.c              | 221 ++++++++++++++++++++++++++++++++++++++-
>  mm/memory_hotplug.c              |   3 +-
>  4 files changed, 225 insertions(+), 4 deletions(-)
> 

What's the progress of this series? I'll need arch_remove_memory() for
the series

[PATCH v2 0/8] mm/memory_hotplug: Factor out memory block device handling

-- 

Thanks,

David / dhildenb




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