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function to increase process stack (pointer). used by VM to set up large,

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sparse, non-preallocated heap and stack.
This commit is contained in:
Ben Gras 2008-12-11 14:17:45 +00:00
parent e911d44a5c
commit 66b161238d
1 changed files with 4 additions and 0 deletions
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4
kernel/arch/i386/arch_do_vmctl.c
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@ -35,6 +35,10 @@ struct proc *p;
} }
RTS_LOCK_UNSET(p, VMINHIBIT); RTS_LOCK_UNSET(p, VMINHIBIT);
return OK; return OK;
case VMCTL_INCSP:
/* Increase process SP. */
p->p_reg.sp += m_ptr->SVMCTL_VALUE;
return OK;
case VMCTL_GET_PAGEFAULT: case VMCTL_GET_PAGEFAULT:
{ {
struct proc *rp; struct proc *rp;