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Date: Mon, 20 Mar 2000 03:05:28 GMT
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To: FreeBSD-gnats-submit@freebsd.org
Subject: Memory leak in 3.4-STABLE .?
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>Number:         17497
>Category:       kern
>Synopsis:       Memory leak in 3.4-STABLE .?
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar 19 19:10:01 PST 2000
>Closed-Date:    Sun Mar 19 20:39:32 PST 2000
>Last-Modified:  Tue Nov 27 18:32:19 PST 2001
>Originator:     Oh Junseon
>Release:        FreeBSD 3.4-STABLE i386
>Organization:
>Environment:

I runnig 3.4-STABLE on my pentium II celeron 466A DUAL machine.
and provide some services... (httpd,nfsd,sendmail,pop3 .....)

mother board is ABIT-BP6 and below is my kernel configuration of SMP

options         SMP                     # Symmetric MultiProcessor Kernel
options         APIC_IO                 # Symmetric (APIC) I/O
options         NCPU=2                  # number of CPUs
options         NBUS=3                  # number of busses
options         NAPIC=1                 # number of IO APICs
options         NINTR=24                # number of INTs

kernel complied at 2000-03-19 and also compiled all system files (make world)

Problem is...
This system get a about 20M of memory (active) at reboot. but get a lot of memory more and more that after work some copy and compile. Memory is a 256M.

now top says :
 Mem: 111M Active, 89M Inact, 33M Wired, 12M Cache, 8241K Buf, 5732K Free

i can not found process that holding memory . so i try shutdown all the daemon..
but memory does not free..

is this SMP problem.? or nfsd .?? please reply hint to me.

PS : sorry to wrong english.
	

>Description:

	

>How-To-Repeat:

	

>Fix:
	
	


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: dg 
State-Changed-When: Sun Mar 19 20:39:32 PST 2000 
State-Changed-Why:  
The numbers above are simply the page queue totals and don't indicate 
whether the memory is 'free' or not. FreeBSD tries to use any available memory 
for file caching. If the system needs it for something else (e.g. process 
memory), then the system will reclaim some pages for that. There currently 
isn't a way to tell the difference between process memory pages and file 
cache pages, since internally they are basically the same thing. 
The bottom line is that there isn't a bug here and this PR should be 
closed. 
>Unformatted:
