Re: [PATCH v2 5/8] riscv: Implement sv48 support

2020-06-27 Thread Alex Ghiti
Hi Nick, Le 6/27/20 à 8:30 AM, Nick Kossifidis a écrit : Στις 2020-06-03 11:11, Alexandre Ghiti έγραψε: By adding a new 4th level of page table, give the possibility to 64bit kernel to address 2^48 bytes of virtual address: in practice, that roughly offers ~160TB of virtual address space to u

Re: [PATCH v2 5/8] riscv: Implement sv48 support

2020-06-27 Thread Nick Kossifidis
Στις 2020-06-03 11:11, Alexandre Ghiti έγραψε: By adding a new 4th level of page table, give the possibility to 64bit kernel to address 2^48 bytes of virtual address: in practice, that roughly offers ~160TB of virtual address space to userspace and allows up to 64TB of physical memory. If the

[PATCH v2 5/8] riscv: Implement sv48 support

2020-06-03 Thread Alexandre Ghiti
By adding a new 4th level of page table, give the possibility to 64bit kernel to address 2^48 bytes of virtual address: in practice, that roughly offers ~160TB of virtual address space to userspace and allows up to 64TB of physical memory. If the underlying hardware does not support sv48, we will