RUST_BUILD_ASSERT_ALLOW's description has an English grammar mistake in the sentence:

Controls how are build_error! and build_assert! handled during build.

This requires submitting a proper patch to the LKML and the Rust for Linux mailing list. Please recall to test your changes, to use a proper title for the commit, to sign your commit under the Developer's Certificate of Origin and to add a Reported-by: tag and a Closes: tag to this issue. Also add a Fixes tag. Please see https://rust-for-linux.com/contributing for details.

Please take this issue only if you are new to the kernel development process and you would like to use it as a test to submit your first patch to the kernel.