This should at least go into debugfs. I'd also prefer it it was a separate file instead of the ifdefs.
- [PATCH v2 0/2] Additions to default DMA coherent pool Vitaly Kuzmichev
- [PATCH v2 1/2] drivers: dma-coherent: Fix dev->c... Vitaly Kuzmichev
- Re: [PATCH v2 1/2] drivers: dma-coherent: Fix d... Christoph Hellwig
- Re: [PATCH v2 1/2] drivers: dma-coherent: F... Vladimir Murzin
- Re: [PATCH v2 1/2] drivers: dma-coheren... Robin Murphy
- Re: [PATCH v2 1/2] drivers: dma-co... Vladimir Murzin
- Re: [PATCH v2 1/2] drivers: dm... Robin Murphy
- Re: [PATCH v2 1/2] drivers... Vladimir Murzin
- Re: [PATCH v2 1/2] drivers: dma-co... Christoph Hellwig
- [PATCH v2 2/2] drivers: dma-coherent: show per-devi... Vitaly Kuzmichev
- Re: [PATCH v2 2/2] drivers: dma-coherent: show ... Christoph Hellwig
- Re: [PATCH v2 0/2] Additions to default DMA coheren... Stephen Rothwell
