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Date: Sat, 18 May 2002 17:20:30 -0400 (EDT)
From: John Baldwin <jhb@FreeBSD.org>
To: Alan Cox <alc@cs.rice.edu>
Subject: Re: cvs commit: src/sys/vm vm_mmap.c
Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org,
	Alan Cox <alc@FreeBSD.org>
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On 18-May-2002 Alan Cox wrote:
> On Sat, May 18, 2002 at 11:59:01AM -0700, Alan Cox wrote:
>> alc         2002/05/18 11:59:01 PDT
>> 
>>   Modified files:
>>     sys/vm               vm_mmap.c 
>>   Log:
>>    o Eliminate the acquisition and release of Giant from minherit(2).
>>       (vm_map_inherit() no longer requires Giant to be held.)
>>   
>>   Revision  Changes    Path
>>   1.140     +2 -7      src/sys/vm/vm_mmap.c
> 
> As of now, madvise(2), minherit(2), and mprotect(2) are running
> largely outside of Giant.  We don't acquire Giant unless or until
> we find ourselves in the vm object or MD pmap layers.

Very cool!  Thanks.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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