On Monday 20 June 2011, Marek Szyprowski wrote: > > This also breaks dmabounce when used with a highmem-enabled system - > > dmabounce refuses the dma_map_page() API but allows the dma_map_single() > > API. > > I really not sure how this change will break dma bounce code. > > Does it mean that it is allowed to call dma_map_single() on kmapped HIGH_MEM > page? dma_map_single on a kmapped page already doesn't work, the argument needs to be inside of the linear mapping in order for virt_to_page to work. Arnd -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>