linux-kernel - Re: [PATCH v3 01/10] iommu/vt-d: add wrapper functions for page allocations

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Message-ID: <c8311c45-72e3-8ff2-c206-3dd21f6a9bed@google.com>
Date: Tue, 26 Dec 2023 16:27:37 -0800 (PST)
From: David Rientjes <rientjes@...gle.com>
To: Pasha Tatashin <pasha.tatashin@...een.com>
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Subject: Re: [PATCH v3 01/10] iommu/vt-d: add wrapper functions for page
 allocations

On Tue, 26 Dec 2023, Pasha Tatashin wrote:

> In order to improve observability and accountability of IOMMU layer, we
> must account the number of pages that are allocated by functions that
> are calling directly into buddy allocator.
> 
> This is achieved by first wrapping the allocation related functions into a
> separate inline functions in new file:
> 
> drivers/iommu/iommu-pages.h
> 
> Convert all page allocation calls under iommu/intel to use these new
> functions.
> 
> Signed-off-by: Pasha Tatashin <pasha.tatashin@...een.com>

Acked-by: David Rientjes <rientjes@...gle.com>