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Remove an unused struct proc *p1 in cpu_fork().

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The only reference to p1 after a dead store was in a comment so update
the comment to refer to td1.

Submitted by:	sbruno
Differential Revision:	https://reviews.freebsd.org/D16226
This commit is contained in:
Brooks Davis 2019-03-14 15:55:30 +00:00
parent f0181db72e
commit 17f254d840
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=345135
1 changed files with 1 additions and 3 deletions
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4
sys/mips/mips/vm_machdep.c
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@ -90,10 +90,8 @@ __FBSDID("$FreeBSD$");
void
cpu_fork(struct thread *td1, struct proc *p2, struct thread *td2,int flags)
{
struct proc *p1;
struct pcb *pcb2;
p1 = td1->td_proc;
if ((flags & RFPROC) == 0)
return;
/* It is assumed that the vm_thread_alloc called
@ -103,7 +101,7 @@ cpu_fork(struct thread *td1, struct proc *p2, struct thread *td2,int flags)
/* Point the pcb to the top of the stack */
pcb2 = td2->td_pcb;
/* Copy p1's pcb, note that in this case
/* Copy td1's pcb, note that in this case
* our pcb also includes the td_frame being copied
* too. The older mips2 code did an additional copy
* of the td_frame, for us that's not needed any