Re: [RFC PATCH 05/12] mm/cma: add helper functions for CMA balancing

[Rik van Riel]

On Mon, 2025-09-15 at 19:51 +0000, Frank van der Linden wrote:
> 
> +/*
> + * Provide the next free range in a cma memory range, as derived
> + * from the bitmap.
> + *
> + * @cmr: memory range to scan
> + * @start_pfn: the beginning of the previous range
> + * @end_pfn: the end of the previous range, zero for the first call
> + *
> + * The caller can adjust *end_pfn end use it as a starting point.
> + */

The function documentation does not really make it clear
that start_pfn and end_pfn are also used for the function
OUTPUT, and that the return value indicates whether or
not a next area was found.

Same for cma_next_noncma_pagerange. Other than that, this
looks reasonable so far.


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