Re: Syslets, Threadlets, generic AIO support, v6
From: Ingo Molnar
Date: Thu May 31 2007 - 05:32:52 EST
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* Ingo Molnar <mingo@xxxxxxx> wrote:
> (i definitely remember having written code for that too, but i cannot
> find that in the archives. hm.) In theory we could avoid _all_
> fd-bitmap overhead as well and use a per-process list/pool of struct
> file buffers plus a maximum-fd field as the 'non-linear fd allocator'
> (at the price of only deallocating them at process exit time).
btw., this also allows mostly-lockless fd allocation, which would
probably benefit threaded apps too. (we can just recycle it from a
per-CPU list of cached fds for that process)
Ingo
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