[PATCH 11/12] arm64: memory: Make virt_to_pfn() a static inline

Catalin Marinas catalin.marinas at arm.com
Fri May 12 03:44:12 PDT 2023


On Thu, May 11, 2023 at 01:59:28PM +0200, Linus Walleij wrote:
> Making virt_to_pfn() a static inline taking a strongly typed
> (const void *) makes the contract of a passing a pointer of that
> type to the function explicit and exposes any misuse of the
> macro virt_to_pfn() acting polymorphic and accepting many types
> such as (void *), (unitptr_t) or (unsigned long) as arguments
> without warnings.
> 
> Since arm64 is using <asm-generic/memory_model.h> to provide
> __phys_to_pfn() we need to move the inclusion of that header
> up, so we can resolve the static inline at compile time.
> 
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>

Acked-by: Catalin Marinas <catalin.marinas at arm.com>



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