linux-kernel - Re: [PATCH v3 3/5] memblock tests: add bottom-up NUMA tests for memblock_alloc_exact_nid

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Message-ID: <68bf7829-0e63-de97-c8f1-4f516c67912a@redhat.com>
Date:   Mon, 31 Oct 2022 11:39:28 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Rebecca Mckeever <remckee0@...il.com>,
        Mike Rapoport <rppt@...nel.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/5] memblock tests: add bottom-up NUMA tests for
 memblock_alloc_exact_nid_raw

On 19.10.22 20:34, Rebecca Mckeever wrote:
> Add tests for memblock_alloc_exact_nid_raw() where the simulated physical
> memory is set up with multiple NUMA nodes. Additionally, all of these
> tests set nid != NUMA_NO_NODE. These tests are run with a bottom-up
> allocation direction.
> 
> The tested scenarios are:
> 
> Range unrestricted:
> - region can be allocated in the specific node requested:
>        + there are no previously reserved regions
>        + the requested node is partially reserved but has enough space
> 
> Range restricted:
> - region can be allocated in the specific node requested after dropping
>    min_addr:
>        + range partially overlaps with two different nodes, where the
>          first node is the requested node
>        + range partially overlaps with two different nodes, where the
>          requested node ends before min_addr
>        + range overlaps with multiple nodes along node boundaries, and
>          the requested node ends before min_addr
> 
> Signed-off-by: Rebecca Mckeever <remckee0@...il.com>
> ---


Acked-by: David Hildenbrand <david@...hat.com>

-- 
Thanks,

David / dhildenb