Re: Typecasting a void pointer to unsigned long in zsmalloc.c

On Thu, Jan 23, 2025 at 9:27 AM Sotir Danailov <[email protected]> wrote:
>
> > This is a requirement that Linux makes for the compiler to work with
> > it for any platform that Linux runs on.
>
> Ah I see, thank you! Is this documented somewhere? I was searching
> for information on this, but nothing came up in the kernel docs.
>

theres a chance that it is implemented as a BUILD_BUG,
which would then be kinda self-documenting.
These are compiled in assertions, and break the build early.
Look at container_of() and marvel at its mechanics.

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