Re: [PATCH v8 01/23] dma-direct: return struct page from dma_direct_alloc_from_pool()

[Jason Gunthorpe]

On Tue, Jul 21, 2026 at 06:33:21PM +0300, Leon Romanovsky wrote:

> Something like, but probably void* needs to be phys_addr_t:
> 
> static inline struct page *dma_phys_to_page(void *addr)
> {
> #ifdef CONFIG_DMA_DIRECT_REMAP
> 	return vmalloc_to_page(addr);
> #else
> 	return virt_to_page(addr);
> #endif
> }

I don't like this, we don't know for sure the addr will be in a vmap
and this will fail if it isn't.

Jason