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From: David Hildenbrand <david@redhat.com>
To: Alistair Popple <apopple@nvidia.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, mhocko@suse.com, jhubbard@nvidia.com,
	ying.huang@intel.com, osalvador@suse.de,
	baolin.wang@linux.alibaba.com, ziy@nvidia.com,
	shy828301@gmail.com, ryan.roberts@arm.com
Subject: Re: [PATCH 2/2] selftests/migration: Disable NUMA balancing and check migration status
Date: Wed, 9 Aug 2023 11:35:52 +0200	[thread overview]
Message-ID: <0950ca9c-4f39-f56a-fee9-5ee42ede86e3@redhat.com> (raw)
In-Reply-To: <20230807063945.911582-2-apopple@nvidia.com>

On 07.08.23 08:39, Alistair Popple wrote:
> The migration selftest was only checking the return code and not the
> status array for migration success/failure. Update the test to check
> both. This uncovered a bug in the return code handling of
> do_pages_move().
> 
> Also disable NUMA balancing as that can lead to unexpected migration
> failures.

As raised in a sub-thread, is that still required with the mm-unstable 
patch:

commit 3c471b04db7604974e3bea45e2d9c7c27a905536
Author: David Hildenbrand <david@redhat.com>
Date:   Thu Aug 3 16:32:02 2023 +0200

     mm/gup: reintroduce FOLL_NUMA as FOLL_HONOR_NUMA_FAULT


-- 
Cheers,

David / dhildenb



  parent reply	other threads:[~2023-08-09  9:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-07  6:39 [PATCH 1/2] mm/migrate.c: Fix return code when migration fails Alistair Popple
2023-08-07  6:39 ` [PATCH 2/2] selftests/migration: Disable NUMA balancing and check migration status Alistair Popple
2023-08-07  9:15   ` Ryan Roberts
2023-08-07 12:41     ` Alistair Popple
2023-08-07 13:42       ` Ryan Roberts
2023-08-09  4:21         ` Alistair Popple
2023-08-09  9:34           ` David Hildenbrand
2023-08-09 13:39             ` Ryan Roberts
2023-08-10  8:23               ` Alistair Popple
2023-08-09  9:35   ` David Hildenbrand [this message]
2023-08-09 10:46     ` Alistair Popple
2023-08-07  8:39 ` [PATCH 1/2] mm/migrate.c: Fix return code when migration fails Michal Hocko
2023-08-07 12:31   ` Alistair Popple
2023-08-07 13:07     ` Michal Hocko
2023-08-09  4:10       ` Alistair Popple
2023-08-11  7:37         ` Huang, Ying

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