increase the size of the adr map to 200; and panic on overflow

Reference: /n/atom/patch/applied2013/adrmap200
Date: Mon Sep 16 23:24:19 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/nix/k10/adr.c	Mon Sep 16 23:23:58 2013
+++ /sys/src/nix/k10/adr.c	Mon Sep 16 23:23:58 2013
@@ -18,7 +18,7 @@
 
 static struct {
 	Lock;
-	Adrmap	map[125];
+	Adrmap	map[200];
 	int	nmap;
 	uvlong	pagecnt[Mlast];
 } adr;
@@ -45,6 +45,14 @@
 	"vmap",
 };
 
+static char*
+tnam(int type)
+{
+	if(type == -1 || type >= nelem(tname))
+		return "-1";
+	return tname[type];
+}
+
 static int
 fmta(Fmt *f)
 {
@@ -93,15 +101,15 @@
 	return (ROUNDDN(a->base+a->len, PGSZ) - ROUNDUP(a->base, PGSZ))/PGSZ;
 }
 
-void
+static void
 insert(uintmem base, uintmem len, int type, int use, uint memflags)
 {
 	int i, n;
 	Adrmap a;
 
-	DBG("insert: %#P %.P %s %d\n", base, len, tname[type], use);
+	DBG("insert: %#P %.P t=%d %d\n", base, len, type, use);
 	if(adr.nmap == nelem(adr.map)){
-		print("adr: map overflow\n");
+		print("adr: map too small\n");
 		return;
 	}
 
@@ -236,14 +244,6 @@
 	return 0;
 }
 
-static char*
-tnam(int type)
-{
-	if(type == -1 || type >= nelem(tname))
-		return "-1";
-	return tname[type];
-}
-
 uintmem
 adralloc(uintmem base, uintmem len, int align, int type, int use, uint flags)
 {
@@ -263,6 +263,8 @@
 				continue;
 			/* add split */
 			if(a->base < base){
+				if(adr.nmap == nelem(adr.map))
+					panic("adr: map too small");
 				l = base - a->base;
 				memmove(a+1, a, (adr.nmap++ - i)*sizeof(Adrmap));
 				a->len = l;
@@ -277,6 +279,8 @@
 			continue;
 		base = a->base+slop;
 		if(a->len > adjlen){
+			if(adr.nmap == nelem(adr.map))
+				panic("adr: map too small");
 			memmove(a+1, a, (adr.nmap++ - i)*sizeof(Adrmap));
 			a->len = adjlen;
 			a[1].base += adjlen;
@@ -490,7 +494,11 @@
 		}
 	}
 	sys->meminit = 1;
-	print("%d %d %d\n", npg[0], npg[1], npg[2]);
+
+	print("adr: ");
+	for(i = 0; i < m->npgsz; i++)
+		print("%d/%d ", m->pgszlg2[i], npg[i]);
+	print("\n");
 }
 
 void