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pc kernel: remove countpagerefs() (thanks BurnZeZ)

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cinap_lenrek 2019-05-03 23:52:49 +02:00
parent 0b5e782882
commit 70ea1310d1
1 changed files with 0 additions and 91 deletions
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91
sys/src/9/pc/mmu.c
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@ -971,97 +971,6 @@ paddr(void *v)
/*
* More debugging.
*/
void
countpagerefs(ulong *ref, int print)
{
int i, n;
Mach *mm;
Page *pg;
Proc *p;
n = 0;
for(i=0; i<conf.nproc; i++){
p = proctab(i);
if(p->mmupdb){
if(print){
if(ref[pagenumber(p->mmupdb)])
iprint("page %#.8lux is proc %d (pid %lud) pdb\n",
p->mmupdb->pa, i, p->pid);
continue;
}
if(ref[pagenumber(p->mmupdb)]++ == 0)
n++;
else
iprint("page %#.8lux is proc %d (pid %lud) pdb but has other refs!\n",
p->mmupdb->pa, i, p->pid);
}
if(p->kmaptable){
if(print){
if(ref[pagenumber(p->kmaptable)])
iprint("page %#.8lux is proc %d (pid %lud) kmaptable\n",
p->kmaptable->pa, i, p->pid);
continue;
}
if(ref[pagenumber(p->kmaptable)]++ == 0)
n++;
else
iprint("page %#.8lux is proc %d (pid %lud) kmaptable but has other refs!\n",
p->kmaptable->pa, i, p->pid);
}
for(pg=p->mmuused; pg; pg=pg->next){
if(print){
if(ref[pagenumber(pg)])
iprint("page %#.8lux is on proc %d (pid %lud) mmuused\n",
pg->pa, i, p->pid);
continue;
}
if(ref[pagenumber(pg)]++ == 0)
n++;
else
iprint("page %#.8lux is on proc %d (pid %lud) mmuused but has other refs!\n",
pg->pa, i, p->pid);
}
for(pg=p->mmufree; pg; pg=pg->next){
if(print){
if(ref[pagenumber(pg)])
iprint("page %#.8lux is on proc %d (pid %lud) mmufree\n",
pg->pa, i, p->pid);
continue;
}
if(ref[pagenumber(pg)]++ == 0)
n++;
else
iprint("page %#.8lux is on proc %d (pid %lud) mmufree but has other refs!\n",
pg->pa, i, p->pid);
}
}
if(!print)
iprint("%d pages in proc mmu\n", n);
n = 0;
for(i=0; i<conf.nmach; i++){
mm = MACHP(i);
for(pg=mm->pdbpool; pg; pg=pg->next){
if(print){
if(ref[pagenumber(pg)])
iprint("page %#.8lux is in cpu%d pdbpool\n",
pg->pa, i);
continue;
}
if(ref[pagenumber(pg)]++ == 0)
n++;
else
iprint("page %#.8lux is in cpu%d pdbpool but has other refs!\n",
pg->pa, i);
}
}
if(!print){
iprint("%d pages in mach pdbpools\n", n);
for(i=0; i<conf.nmach; i++)
iprint("cpu%d: %d pdballoc, %d pdbfree\n",
i, MACHP(i)->pdballoc, MACHP(i)->pdbfree);
}
}
void
checkfault(ulong, ulong)
{