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

[Peter Zijlstra]

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.

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