Re: [patch] fastcall-2.3.31-B3, SYSENTER/SYSEXIT support

Andi Kleen (ak@muc.de)
10 Dec 1999 15:54:24 +0100

mingo@chiara.csoma.elte.hu (Ingo Molnar) writes:
>
> well, if we can make mmap() and select() faster without slowing down other
> system calls then why not? I've implemented the 'dual syscall table' thing
> and it works out well. The method is that for mmap() there is a
> _different_ entry in fastsys_call_table[]: sys_mmap2_4arg(), which does:

And the fastsys_call_table does cost you lots of cache lines. Is that
worth the small mmap speedup ?

-Andi

-- 
This is like TV. I don't like TV.


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