Scott Wood wrote: > [EMAIL PROTECTED] wrote: >> This seems to leave only 1GB of addressing space for all the >> physically addressable memory (RAM + ioremapped + registers), while >> reserving 3GB of space for user processes. The 3GB is presumably >> mostly unusable on a system without a large amount of swap, as the >> 1GB limit on memory will prevent much more than that being available >> for user space. > > Well, it's also useful for sparse mappings, but I agree that the 3/1 > split is probably suboptimal for most workloads.
Oh, and the 3G user is also useful for accessing highmem, of course. -Scott _______________________________________________ Linuxppc-embedded mailing list [email protected] https://ozlabs.org/mailman/listinfo/linuxppc-embedded
