diff --git a/src/os/osf1/osf1_sigar.c b/src/os/osf1/osf1_sigar.c
index 3b32787e..e6f9732f 100644
--- a/src/os/osf1/osf1_sigar.c
+++ b/src/os/osf1/osf1_sigar.c
@@ -7,6 +7,8 @@ int sigar_os_open(sigar_t **sigar)
 {
     *sigar = malloc(sizeof(**sigar));
 
+    (*sigar)->pagesize = getpagesize();
+
     return SIGAR_OK;
 }
 
@@ -45,9 +47,16 @@ int sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem)
 
 int sigar_swap_get(sigar_t *sigar, sigar_swap_t *swap)
 {
-    swap->total  = -1;
-    swap->used   = -1;
-    swap->free   = -1;
+    struct tbl_swapinfo info;
+   
+    table(TBL_SWAPINFO, -1, &info, 1, sizeof(info));
+
+    swap->total  = info.size;
+    swap->free   = info.free;
+    swap->total *= sigar->pagesize;
+    swap->free  *= sigar->pagesize;
+
+    swap->used   = swap->total - swap->free;
 
     return SIGAR_OK;
 }
diff --git a/src/os/osf1/sigar_os.h b/src/os/osf1/sigar_os.h
index 46674deb..378270fd 100644
--- a/src/os/osf1/sigar_os.h
+++ b/src/os/osf1/sigar_os.h
@@ -1,6 +1,12 @@
 #ifndef SIGAR_OS_H
 #define SIGAR_OS_H
 
+#include <sys/table.h>
+/* "i will *punch* you in the *face*" --will ferrell */
+#undef idle
+#undef usr
+#undef sys
+
 #include <sys/vm.h>
 
 #include <mach.h>
@@ -9,6 +15,7 @@
 
 struct sigar_t {
     SIGAR_T_BASE;
+    int pagesize;
 };
 
 #endif /* SIGAR_OS_H */