On 2014/4/22 15:38, David Woodhouse wrote: > On Tue, 2014-04-22 at 15:07 +0800, Jiang Liu wrote: >> + size_t size = 0; >> +#if 0 >> + /* current the third argument of intel_unmap_page is unsued */ >> + int i; >> + struct scatterlist *sg; >> >> - freelist = domain_unmap(domain, start_pfn, last_pfn); >> + for_each_sg(sglist, sg, nelems, i) >> + size += sg->length; >> +#endif > > Please don't do that. If you want to rely on the fact that > intel_unmap_page() currently just uses the size from the IOVA it finds, > then split it out into a separate function which explicitly does > precisely that. And call that new function from both intel_unmap_sg() > and intel_unmap_page(). Good suggestion, will change to follow that way in next version. -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html