Re: [PATCH v4 15/16] module: Move where we mark modules RO,X

[Peter Zijlstra]

On Thu, Oct 24, 2019 at 12:16:09PM +0200, Peter Zijlstra wrote:
> +struct trace_event_fields {
> +	const char *type;
> +	union {
> +		struct {
> +			const char *name;
> +			const int  size;
> +			const int  align;
> +			const int  is_signed;
> +			const int  filter_type;

FWIW, I suspect we can do:

			unsigned char size;
			unsigned char align;
			unsigned char is_signed;
			unsigned char filter_type;

And save us some 8 bytes per entry (12 on 32bit).

> +		};
> +		int (*define_fields)(struct trace_event_call *);
> +	};
> +};