Re: [PATCH 1/11] Add generic helpers for arch IPI function calls

[Linus Torvalds]

On Tue, 22 Apr 2008, Jens Axboe wrote:
> +
> +static inline void csd_flag_wait(struct call_single_data *data)
> +{
> +	/* Wait for response */
> +	do {
> +		/*
> +		 * We need to see the flags store in the IPI handler
> +		 */
> +		smp_mb();
> +		if (!(data->flags & CSD_FLAG_WAIT))
> +			break;
> +		cpu_relax();
> +	} while (1);
> +}

You forgot to free the "data" here? The waiter must also free the object, 
since now the callee does not.

		Linus

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