Re: VM Corruption - stumped, anyone have any ideas?

[Julian Elischer]

stack can be somewhat sparse depending on execution path, but it's not a
bad idea..


On Mon, 24 Sep 2001, Matt Dillon wrote:

> :In message <[EMAIL PROTECTED]>, Matt Dillon writes:
> :>
> :>    Hmm.  Do we have a guard page at the base of the per process kernel
> :>    stack?
> :
> :As I understand it, no. In RELENG_4 there are UPAGES (== 2 on i386)
> :pages of per-process kernel state at p->p_addr. The stack grows
> :down from the top, and struct user (sys/user.h) sits at the bottom.
> :According to the comment in the definition of struct user, only
> :the first three items in struct user are valid in normal running
> :conditions:
> 
>     Ok.  I'm going to add a magic number to the end of the process
>     structure and check it in mi_switch() in -stable.
>               
>                                               -Matt
> 
> 
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