4 ms·

Thanks for clarifying! Is whatever the kernel does now in transition to user space expensive because it's somehow proportional to the amount of actual memory th

by dsign 8y ago

Thanks for clarifying! Is whatever the kernel does now in transition to user space expensive because it's somehow proportional to the amount of actual memory that the kernel is using or has reserved?

monocasa 8y ago
No, it's still more or less a O(1) operation, it's just expensive to fully flush TLBs.