Re: [9fans] Memory management questions/not plan-9 specific

[Philippe Anel <xigh@free.fr>]

l4 (http://en.wikipedia.org/wiki/L4_microkernel_family) has such api ... 
but it is only a kernel.

Paul Lalonde a écrit :
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> I have an application I'm building which requires OS support to allow 
> a user-space function to fill a page on page-faults.  Ideally, I could 
> reserve a chunk of address space but not back it with memory, and then 
> on fault my handler would serve out data from some small cache of 
> user-managed physical pages.
>
> My google-fu has been weak in finding such a system-level API in any 
> OS.  Has this got a name I should be searching on?  I can't believe 
> no-one has implemented user-level page replacement.
>
> Thanks,
>    Paul
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