On Fri, Nov 2, 2012 at 4:26 PM, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote: > Hi :) > > On Fri, Nov 2, 2012 at 5:46 PM, Pritam Bankar > <pritambankar1988@xxxxxxxxx> wrote: >> But I have some questions, >> >> 1. How is memory split up on 64-bit architecture > > in this URL: > http://unix.stackexchange.com/questions/32244/user-kernel-split-in-64bit-linux > > it says user space get 128 TiB...the rest you can read there :) > >> 2. Can we override this 3:1 split ? > > sure.... just change PAGE_OFFSET if I remember correctly...however, > the effects might be harmful, for example for certain virtualization > since they assume certain address for memory allocation > >> 3. If yes, who can do that user or kernel? > > kernel..for sure.. > > -- > regards, > > Mulyadi Santosa > Freelance Linux trainer and consultant > > blog: the-hydra.blogspot.com > training: mulyaditraining.blogspot.com Thanks Mulyadi. I gone through link but there is no explanation. What can be the logic behind kernel space of only 512 MB for 64-bit machines. We have 1GB kernel space in 32-bit architecture so 64-bit should ideally have much more than that. Thanks Pritam Bankar _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
