On Wed, May 9, 2012 at 5:40 AM, Fredrick <[email protected]> wrote: > Hi, > > I need to convert a user virtual address to its > corresponding physical address. > I know that if the virtual address is from kernel, > we could use virt_to_phys. > Is there a similar helper function > to convert user virtual address.? > > Hi Fredrick,
Please elaborate the purpose, User-space application allowed to have virtual address upto 3GB, assuming 1:3 address space split. And its not mandatory for all user-space address to be valid and to have all user-space address to have a valid physical address mapping. Thanks, Chetan Thanks, > Fredrick > > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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