> Am 23.04.2015 um 13:08 schrieb Christian Borntraeger <borntraeger@xxxxxxxxxx>: > > From: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> > > Replacing a 2K page table with a 4K page table while a VMA is active > for the affected memory region is fundamentally broken. Rip out the > page table reallocation code and replace it with a simple system > control 'vm.allocate_pgste'. If the system control is set the page > tables for all processes are allocated as full 4K pages, even for > processes that do not need it. > > Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> > Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> Couldn't you make this a hidden kconfig option that gets automatically selected when kvm is enabled? Or is there a non-kvm case that needs it too? Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html