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

From: David Hildenbrand
Date: Mon May 13 2019 - 04:23:49 EST


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