On Thu, 28 Jul 2011, Nikita V. Youshchenko wrote: > > On Thu, 2011-07-28 at 12:24 +0400, Nikita V. Youshchenko wrote: > > > (*) we need >1G of memory for data buffers, and have too much legacy > > > software components so moving to 64bit system is not practical within > > > available resource > > > > You can run a complete 32bit userspace on a 64bit kernel without any > > problems. > > ... expect shared data between kernel and userspace (structures passed over > ioctl()s, structures in mmapped buffers). Unfortunately, in scope of our > project (that lasts since 2001 or so), we do have such issues :(. Aside of that being horrid, it's trivial to solve with proper data types. u32 and friends are there for a reason. But feel free to get the highmem thing working again :) Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html