Re: [PATCH 3/8] tracing: make trace_seq operations available for core kernel

Peter Zijlstra
2009-04-14T19:14:06Z

On Tue, 2009-04-14 at 13:23 -0400, Steven Rostedt wrote:
> +struct trace_seq {
> + unsigned char buffer[PAGE_SIZE];
> + unsigned int len;
> + unsigned int readpos;
> +};

Would not PAGE_SIZE-2*sizeof(int) be enough? That would make the struct
fit into a single page and avoid an order-1 allocation.