cvs commit: src/sys/vm vm_map.c vm_map.h

[Dmitry Morozovsky]

Dear Peter,

On Thu, 11 Mar 2004, Peter Wemm wrote:

PW> peter       2004/03/11 16:24:56 PST
PW>
PW>   FreeBSD src repository
PW>
PW>   Modified files:        (Branch: RELENG_4)
PW>     sys/vm               vm_map.c vm_map.h
PW>   Log:
PW>   MFC: part of vm_map.h rev 1.68 and vm_map.c 1.212.  This is actually
PW>   a prequisite of the vm_map.c rev 1.280 that dillon prematurely MFC'ed
PW>   on Jan 13th, 2003.  Without this change, the kernel leaks vmspaces
PW>   to varying degrees depending on the circumstances.  Specifically,
PW>   vm_exitingcnt was being copied from the parent to the child when it
PW>   might have been non-zero.  This caused the child's vm_exitingcnt to
PW>   never hit zero.  This was blowing up machines at work.

Isn't it a good candidate for SO (RELENG_4_[89]) backporting?

Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
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