linux-kernel - Re: [PATCH v3 10/26] x86/numa: simplify numa

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Message-ID: <20240802105654.00004752@Huawei.com>
Date: Fri, 2 Aug 2024 10:56:54 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Mike Rapoport <rppt@...nel.org>
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Subject: Re: [PATCH v3 10/26] x86/numa: simplify numa_distance allocation

On Thu,  1 Aug 2024 09:08:10 +0300
Mike Rapoport <rppt@...nel.org> wrote:

> From: "Mike Rapoport (Microsoft)" <rppt@...nel.org>
> 
> Allocation of numa_distance uses memblock_phys_alloc_range() to limit
> allocation to be below the last mapped page.
> 
> But NUMA initializaition runs after the direct map is populated and
> there is also code in setup_arch() that adjusts memblock limit to
> reflect how much memory is already mapped in the direct map.
> 
> Simplify the allocation of numa_distance and use plain memblock_alloc().
> 
> Signed-off-by: Mike Rapoport (Microsoft) <rppt@...nel.org>
> Tested-by: Zi Yan <ziy@...dia.com> # for x86_64 and arm64
Seems sensible. FWIW (which might just be me not bothering to
read this one again ;) 
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>