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SubjectRe: [RFC V2] mm/vmstat: Add events for HugeTLB migration
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On 9/29/20 11:00 PM, Anshuman Khandual wrote:
> Add following new vmstat events which will track HugeTLB page migration.
>
> 1. HUGETLB_MIGRATION_SUCCESS
> 2. HUGETLB_MIGRATION_FAILURE
>
> It follows the existing semantics to accommodate HugeTLB subpages in total
> page migration statistics. While here, this updates current trace event
> 'mm_migrate_pages' to accommodate now available HugeTLB based statistics.
>
> Cc: Daniel Jordan <daniel.m.jordan@oracle.com>
> Cc: Zi Yan <ziy@nvidia.com>
> Cc: John Hubbard <jhubbard@nvidia.com>
> Cc: Mike Kravetz <mike.kravetz@oracle.com>
> Cc: Oscar Salvador <osalvador@suse.de>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: linux-mm@kvack.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>

Thanks,

Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>

--
Mike Kravetz

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