On Tue, 2007-04-17 at 21:54 +0530, Vivek Kutal wrote: > > It is related in a way, if you have 2G/2G user/kernelspace split, then > > you can have more physical memory in ZONE_NORMAL, i.e it will be 2GB - > > 128MB if HIGHMEM enabled. This way the kernel is able to access more > > physical memory directly (since ZONE_NORMAL is mapped directly), than > > having to go through the overhead of kmap()/kmap_atomic(). > > > yes...but this reduces the size of the user space. > yes, but this will be the size of user address space, so the u still have 2GB of virtual address space for every process.... ;) cheers, sandeep -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ