Messages in this thread | | | Date | Thu, 25 Aug 2005 20:56:45 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: process creation time increases linearly with shmem |
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On Fri, 26 Aug 2005, Nick Piggin wrote: > > > Skipping MAP_SHARED in fork() sounds like a good idea to me... > > > > Indeed. Linus, can you remember why we haven't done this before?
Hmm. Historical reasons. Also, if the child ends up needing it, it will now have to fault them in.
That said, I think it's a valid optimization. Especially as the child _probably_ doesn't need it (ie there's at least some likelihood of an execve() or similar).
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