Re: [PATCH v2 5/7] mm: vmalloc: Use trace_purge_vmap_area_lazy event

[Christoph Hellwig]

> +	return num_purged_areas > 0 ? true:false;

The formatting here is a bit off due to the lack of whitespaces around
the :.  But as boolean expression propagate to boolean values this
can be simplified to:

	return num_purged_areas > 0;

anyway.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>