* Linus Torvalds <torva...@linux-foundation.org> wrote:

> It absolutely is - compared to the vmalloc costs. Andy has quite noticeable 
> slowdowns without the stack reuse - and the stack reuse requires the delayed 
> freeing. With the stack reuse, fork/exit actually sped up.

Ok, great, that's convincing!

I'm still applying it two-phase and I'll wait for v2 of the second half of the 
series, to have the fix Josh alluded to.



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