> Ok. But in this case i have to ensure that the pfn is not mapped by the > kernel, right? > Will scanning mem_map to find such a pfn help? > I'm wondering if there are regions which are typically 'free' which i can > reserve and use. Either you can look at memblock_reserve or reserve_bootmem. (this may solve your problem). or you alloc_page api which return a struct page, you SetPageReserved and use page_to_pfn to get the pfn number. thanks, thayumanavar s. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
