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From: Robert Watson <rwatson@FreeBSD.org>
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To: Maxim Sobolev <sobomax@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/sys eventhandler.h src/sys/kern
 kern_descrip.c uipc_socket.c
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On Sun, 16 Mar 2008, Maxim Sobolev wrote:

> sobomax     2008-03-16 06:21:30 UTC
>
>  FreeBSD src repository
>
>  Modified files:
>    sys/sys              eventhandler.h
>    sys/kern             kern_descrip.c uipc_socket.c
>  Log:
>  Properly set size of the file_zone to match kern.maxfiles parameter.
>  Otherwise the parameter is no-op, since zone by default limits number
>  of descriptors to some 12K entries. Attempt to allocate more ends up
>  sleeping on zonelimit.

Hmm.  Could you be more specific about the nature of the problem you're seeing 
here?  UMA shouldn't impose any default zone limit on the file_zone if none is 
set.  Are you sure it's the struct file zonelimit you're running into, and 
not, say, the socket zone limit, etc?

Also, don't use SI_SUB_EVENTHANDLER+1 -- add a new event type, perhaps 
SI_SUB_FILE, or use SI_ORDER_LAST.

Robert N M Watson
Computer Laboratory
University of Cambridge