On Tue, 2006-03-28 at 15:28 +0530, Nilanjan Roychowdhury wrote: > HI, > > Is it possible to find the corresponding Physical address of a user > space virtual address? it is (by walking the page tables). The question is what you want to do with it, since in principle the data can change all the time (either by userspace threads doing so or by pageout/pagein activity). So normally you can't do DMA to such pages for example without taking really special care (read: use the proper API's) -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
