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0 pointsdsign7y ago0 comments

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?

0 comments

monocasa7y ago

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

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0 pointsdsign7y ago0 comments

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?

0 comments

monocasa7y ago

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

j / k navigate · click thread line to collapse