Re: [PATCH] dma-debug: hns_enet_drv could use more DMA entries

[Christoph Hellwig]

On Thu, Nov 29, 2018 at 10:54:56PM -0500, Qian Cai wrote:
>  /* allow architectures to override this if absolutely required */
>  #ifndef PREALLOC_DMA_DEBUG_ENTRIES
> +/* amount of DMA mappings on this driver is huge. */
> +#ifdef	HNS_ENET
> +#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 17)
> +#else
>  #define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
>  #endif
> +#endif

How would this be defined in a header that leaks into this file?

I think we need to turn PREALLOC_DMA_DEBUG_ENTRIES into a user
selectable config options, as I really don't want to collect hacks like
this.