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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> cc: akpm@...ux-foundation.org, alim.akhtar@...sung.com, alyssa@...enzweig.io, asahi@...ts.linux.dev, baolu.lu@...ux.intel.com, bhelgaas@...gle.com, cgroups@...r.kernel.org, corbet@....net, david@...hat.com, dwmw2@...radead.org, hannes@...xchg.org, heiko@...ech.de, iommu@...ts.linux.dev, jernej.skrabec@...il.com, jonathanh@...dia.com, joro@...tes.org, krzysztof.kozlowski@...aro.org, linux-doc@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, linux-rockchip@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, linux-sunxi@...ts.linux.dev, linux-tegra@...r.kernel.org, lizefan.x@...edance.com, marcan@...can.st, mhiramat@...nel.org, m.szyprowski@...sung.com, paulmck@...nel.org, rdunlap@...radead.org, robin.murphy@....com, samuel@...lland.org, suravee.suthikulpanit@....com, sven@...npeter.dev, thierry.reding@...il.com, tj@...nel.org, tomas.mudrunka@...il.com, vdumpa@...dia.com, wens@...e.org, will@...nel.org, yu-cheng.yu@...el.com 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>
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