correct fixed size structure calcuation. this is still a botch

Notes:
credit: Yoann Padioleau
- quanstro


Reference: /n/atom/patch/applied/swpposz
Date: Thu Jun  5 14:58:29 CES 2014
Signed-off-by: quanstro@quanstro.net
Reviewed-by: quanstro

--- /sys/src/9/alphapc/main.c	Thu Jun  5 14:58:02 2014
+++ /sys/src/9/alphapc/main.c	Thu Jun  5 14:58:03 2014
@@ -540,7 +540,7 @@
 		+ conf.nproc*sizeof(Proc)
 		+ conf.nimage*sizeof(Image)
 		+ conf.nswap
-		+ conf.nswppo*sizeof(Page);
+		+ conf.nswppo*sizeof(Page*);
 	mainmem->maxsize = kpages;
 	if(!cpuserver){
 		/*
--- /sys/src/9/bcm/main.c	Thu Jun  5 14:58:04 2014
+++ /sys/src/9/bcm/main.c	Thu Jun  5 14:58:05 2014
@@ -505,7 +505,7 @@
 		+ conf.nproc*sizeof(Proc)
 		+ conf.nimage*sizeof(Image)
 		+ conf.nswap
-		+ conf.nswppo*sizeof(Page);
+		+ conf.nswppo*sizeof(Page*);
 	mainmem->maxsize = kpages;
 	if(!cpuserver)
 		/*
--- /sys/src/9/kw/main.c	Thu Jun  5 14:58:06 2014
+++ /sys/src/9/kw/main.c	Thu Jun  5 14:58:07 2014
@@ -669,7 +669,7 @@
 		+ conf.nproc*sizeof(Proc)
 		+ conf.nimage*sizeof(Image)
 		+ conf.nswap
-		+ conf.nswppo*sizeof(Page);
+		+ conf.nswppo*sizeof(Page*);
 	mainmem->maxsize = kpages;
 	if(!cpuserver)
 		/*
--- /sys/src/9/mtx/main.c	Thu Jun  5 14:58:08 2014
+++ /sys/src/9/mtx/main.c	Thu Jun  5 14:58:08 2014
@@ -353,7 +353,7 @@
 		+ conf.nproc*sizeof(Proc)
 		+ conf.nimage*sizeof(Image)
 		+ conf.nswap
-		+ conf.nswppo*sizeof(Page);
+		+ conf.nswppo*sizeof(Page*);
 	mainmem->maxsize = kpages;
 	if(!cpuserver){
 		/*
--- /sys/src/9/omap/main.c	Thu Jun  5 14:58:10 2014
+++ /sys/src/9/omap/main.c	Thu Jun  5 14:58:10 2014
@@ -682,7 +682,7 @@
 		+ conf.nproc*sizeof(Proc)
 		+ conf.nimage*sizeof(Image)
 		+ conf.nswap
-		+ conf.nswppo*sizeof(Page);
+		+ conf.nswppo*sizeof(Page*);
 	mainmem->maxsize = kpages;
 	if(!cpuserver)
 		/*
--- /sys/src/9/pc/main.c	Thu Jun  5 14:58:12 2014
+++ /sys/src/9/pc/main.c	Thu Jun  5 14:58:13 2014
@@ -388,9 +388,6 @@
 	if(conf.nproc > 2000)
 		conf.nproc = 2000;
 	conf.nimage = 200;
-//	swap not supported
-//	conf.nswap = conf.nproc*80;
-//	conf.nswppo = 4096;
 
 	if(cpuserver) {
 		if(userpcnt < 10)
@@ -443,8 +440,7 @@
 	kpages -= conf.upages*sizeof(Page)
 		+ conf.nproc*sizeof(Proc)
 		+ conf.nimage*sizeof(Image)
-		+ conf.nswap
-		+ conf.nswppo*sizeof(Page);
+		+ conf.nswap;
 	mainmem->maxsize = kpages;
 	if(!cpuserver){
 		/*
--- /sys/src/9/pcpae/main.c	Thu Jun  5 14:58:14 2014
+++ /sys/src/9/pcpae/main.c	Thu Jun  5 14:58:15 2014
@@ -561,7 +561,7 @@
 }
 
 void
-reboot(void *entry, void *code, ulong size)
+reboot(void *entry, void *code, usize size)
 {
 	int i;
 	void (*f)(ulong, ulong, ulong);
--- /sys/src/9/ppc/main.c	Thu Jun  5 14:58:16 2014
+++ /sys/src/9/ppc/main.c	Thu Jun  5 14:58:16 2014
@@ -397,7 +397,7 @@
 		+ conf.nproc*sizeof(Proc)
 		+ conf.nimage*sizeof(Image)
 		+ conf.nswap
-		+ conf.nswppo*sizeof(Page);
+		+ conf.nswppo*sizeof(Page*);
 	mainmem->maxsize = kpages;
 	if(!cpuserver){
 		/*
--- /sys/src/9/rb/main.c	Thu Jun  5 14:58:17 2014
+++ /sys/src/9/rb/main.c	Thu Jun  5 14:58:18 2014
@@ -599,7 +599,7 @@
 		+ conf.nproc*sizeof(Proc)
 		+ conf.nimage*sizeof(Image)
 		+ conf.nswap
-		+ conf.nswppo*sizeof(Page);
+		+ conf.nswppo*sizeof(Page*);
 	mainmem->maxsize = kpages;
 
 	/*
--- /sys/src/9/teg2/main.c	Thu Jun  5 14:58:19 2014
+++ /sys/src/9/teg2/main.c	Thu Jun  5 14:58:20 2014
@@ -912,7 +912,7 @@
 		+ conf.nproc*sizeof(Proc)
 		+ conf.nimage*sizeof(Image)
 		+ conf.nswap
-		+ conf.nswppo*sizeof(Page);
+		+ conf.nswppo*sizeof(Page*);
 	mainmem->maxsize = kpages;
 	if(!cpuserver)
 		/*