shithub: riscv

Download patch

ref: 70ea1310d10e2a3f91dbb350d235a97925c35a94
parent: 0b5e782882152dae80fbcc6b54e187b1926e93ec
author: cinap_lenrek <[email protected]>
date: Fri May 3 19:52:49 EDT 2019 

pc kernel: remove countpagerefs() (thanks BurnZeZ)

forgot to commit this...


--- a/sys/src/9/pc/mmu.c
+++ b/sys/src/9/pc/mmu.c
@@ -972,97 +972,6 @@
  * 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)
 {
 }