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From: Don Lewis <Don.Lewis@tsc.tdk.com>
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Date: Thu, 7 Sep 2000 12:25:17 -0700
In-Reply-To: <39B7E97C.19725E4E@thehousleys.net>
References: <200009071913.MAA91342@freefall.freebsd.org> <39B7E97C.19725E4E@thehousleys.net>
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To: James Housley <jim@thehousleys.net>
Subject: Re: cvs commit: src/sys/kern init_main.c kern_exec.c kern_exit.ckern_fork.c kern_proc.c kern_prot.c kern_resource.c uipc_socket.cuipc_socket2.c uipc_usrreq.c vfs_aio.c src/sys/sys proc.hresourcevar.h ucred.h
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On Sep 7,  3:16pm, James Housley wrote:
} Subject: Re: cvs commit: src/sys/kern init_main.c kern_exec.c kern_exit.ck
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} --------------ms26944A7265313B3BA2CD404D
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} Don Lewis wrote:
} > 
} > truckman    2000/09/07 12:13:55 PDT
} > 
} >   Modified files:        (Branch: RELENG_4)
} >     sys/kern             init_main.c kern_exec.c kern_exit.c
} >                          kern_fork.c kern_proc.c kern_prot.c
} >                          kern_resource.c uipc_socket.c
} >                          uipc_socket2.c uipc_usrreq.c vfs_aio.c
} >     sys/sys              proc.h resourcevar.h ucred.h
} >   Log:
} >   MFC:
} > 
} >   Remove hash table lookups and maintenance from chgproccnt() and chgsbsize()
} >   and chase pointers stored in pcred and ucred instead for better performance
} >   and to avoid these operations in interrupt context which could possibly
} >   cause panics.
} > 
} >   Because the pcred and ucred structures changed size, libkvm and friends
} >   will need to be rebuilt.
} > 
} Doesn't that require a version bump?

I don't believe so, since we're source code compatible across this change.


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