diff --git a/sys/src/9/port/fault.c b/sys/src/9/port/fault.c
index d77894641..b6f5e3894 100644
--- a/sys/src/9/port/fault.c
+++ b/sys/src/9/port/fault.c
@@ -200,7 +200,6 @@ fixfault(Segment *s, uintptr addr, int read, int doputmmu)
 	Pte **p, *etp;
 	uintptr soff, mmuphys=0;
 	Page **pg, *old, *new;
-	Page *(*fn)(Segment*, uintptr);
 
 	addr &= ~(BY2PG-1);
 	soff = addr-s->base;
@@ -274,19 +273,13 @@ fixfault(Segment *s, uintptr addr, int read, int doputmmu)
 		break;
 
 	case SG_PHYSICAL:
-		if(*pg == nil) {
-			fn = s->pseg->pgalloc;
-			if(fn)
-				*pg = (*fn)(s, addr);
-			else {
-				new = smalloc(sizeof(Page));
-				new->va = addr;
-				new->pa = s->pseg->pa+(addr-s->base);
-				new->ref = 1;
-				*pg = new;
-			}
+		if(*pg == nil){
+			new = smalloc(sizeof(Page));
+			new->va = addr;
+			new->pa = s->pseg->pa+(addr-s->base);
+			new->ref = 1;
+			*pg = new;
 		}
-
 		if (checkaddr && addr == addr2check)
 			(*checkaddr)(addr, s, *pg);
 		mmuphys = PPN((*pg)->pa) |PTEWRITE|PTEUNCACHED|PTEVALID;
diff --git a/sys/src/9/port/page.c b/sys/src/9/port/page.c
index dcd701267..0061ed658 100644
--- a/sys/src/9/port/page.c
+++ b/sys/src/9/port/page.c
@@ -384,23 +384,11 @@ ptealloc(void)
 void
 freepte(Segment *s, Pte *p)
 {
-	void (*fn)(Page*);
-	Page **pg, **ptop;
+	Page **pg;
 
 	switch(s->type&SG_TYPE) {
 	case SG_PHYSICAL:
-		fn = s->pseg->pgfree;
-		ptop = &p->pages[PTEPERTAB];
-		if(fn != nil) {
-			for(pg = p->pages; pg < ptop; pg++) {
-				if(*pg == nil)
-					continue;
-				(*fn)(*pg);
-				*pg = nil;
-			}
-			break;
-		}
-		for(pg = p->pages; pg < ptop; pg++) {
+		for(pg = p->first; pg <= p->last; pg++) {
 			if(*pg != nil) {
 				if(decref(*pg) == 0)
 					free(*pg);
@@ -409,11 +397,12 @@ freepte(Segment *s, Pte *p)
 		}
 		break;
 	default:
-		for(pg = p->first; pg <= p->last; pg++)
+		for(pg = p->first; pg <= p->last; pg++) {
 			if(*pg != nil) {
 				putpage(*pg);
 				*pg = nil;
 			}
+		}
 	}
 	free(p);
 }
@@ -483,7 +472,7 @@ portcountpagerefs(ulong *ref, int print)
 		p = proctab(i);
 		for(j=0; j<NSEG; j++){
 			s = p->seg[j];
-			if(s)
+			if(s != nil)
 				s->mark = 0;
 		}
 	}
@@ -493,6 +482,8 @@ portcountpagerefs(ulong *ref, int print)
 			s = p->seg[j];
 			if(s == nil || s->mark++)
 				continue;
+			if((s->type&SG_TYPE) == SG_PHYSICAL)
+				continue;
 			ns++;
 			for(k=0; k<s->mapsize; k++){
 				pte = s->map[k];
diff --git a/sys/src/9/port/portdat.h b/sys/src/9/port/portdat.h
index 96e823766..a85dc831b 100644
--- a/sys/src/9/port/portdat.h
+++ b/sys/src/9/port/portdat.h
@@ -359,8 +359,6 @@ struct Physseg
 	char	*name;			/* Attach name */
 	uintptr	pa;			/* Physical address */
 	uintptr	size;			/* Maximum segment size in bytes */
-	Page	*(*pgalloc)(Segment*, uintptr);	/* Allocation if we need it */
-	void	(*pgfree)(Page*);
 };
 
 struct Sema
diff --git a/sys/src/9/port/segment.c b/sys/src/9/port/segment.c
index 5bafd0c36..c64a4efbf 100644
--- a/sys/src/9/port/segment.c
+++ b/sys/src/9/port/segment.c
@@ -11,9 +11,9 @@ int imagereclaim(int);
  * Attachable segment types
  */
 static Physseg physseg[10] = {
-	{ SG_SHARED,	"shared",	0,	SEGMAXSIZE,	0, 	0 },
-	{ SG_BSS,	"memory",	0,	SEGMAXSIZE,	0,	0 },
-	{ 0,		0,		0,	0,		0,	0 },
+	{ SG_SHARED,	"shared",	0,	SEGMAXSIZE	},
+	{ SG_BSS,	"memory",	0,	SEGMAXSIZE	},
+	{ 0,		0,		0,	0		},
 };
 
 static Lock physseglock;
@@ -459,6 +459,9 @@ mcountseg(Segment *s)
 	int i, j;
 	Page *pg;
 
+	if((s->type&SG_TYPE) == SG_PHYSICAL)
+		return 0;
+
 	pages = 0;
 	for(i = 0; i < s->mapsize; i++){
 		if(s->map[i] == nil)
@@ -482,6 +485,9 @@ mfreeseg(Segment *s, uintptr start, int pages)
 	uintptr soff;
 	Page *pg;
 
+	if((s->type&SG_TYPE) == SG_PHYSICAL)
+		return;
+
 	/*
 	 * We want to zero s->map[i]->page[j] and putpage(pg),
 	 * but we have to make sure other processors flush the
diff --git a/sys/src/9/port/sysproc.c b/sys/src/9/port/sysproc.c
index 3cee4f15a..b787a3d6a 100644
--- a/sys/src/9/port/sysproc.c
+++ b/sys/src/9/port/sysproc.c
@@ -745,6 +745,7 @@ syssegbrk(va_list list)
 		case SG_TEXT:
 		case SG_DATA:
 		case SG_STACK:
+		case SG_PHYSICAL:
 			error(Ebadarg);
 		default:
 			return (uintptr)ibrk(va_arg(list, uintptr), i);