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That doesn't mean that code pages couldn't be shared. The data that differs per process is a single number in this case. Having said that I agree that it's pro
by planede 3y ago
That doesn't mean that code pages couldn't be shared. The data that differs per process is a single number in this case.
Having said that I agree that it's probably not worth it to put getpid() into vDSO.
- dmitrygr 3y agoA number here, a number there, before you know it, it is a lot. If we're going to add all sorts of dross to the vdso, like getpid(), who knows what else will end up there?