Description: truncate the vmstat figure to 32 bits
Bug-Debian: http://bugs.debian.org/620557
Author: David Fries <david@fries.net>
Reviewed-by: Craig Small <csmall@debian.org>
Last-Update: 2011-07-25
--- a/proc/sysinfo.c
+++ b/proc/sysinfo.c
@@ -776,6 +776,11 @@
   {"slabs_scanned",       &vm_slabs_scanned},
   };
   const int vm_table_count = sizeof(vm_table)/sizeof(vm_table_struct);
+#if __SIZEOF_LONG__ == 4
+  unsigned long long slotll;
+#endif
+   
+
 
   vm_pgalloc = 0;
   vm_pgrefill = 0;
@@ -799,7 +804,15 @@
     );
     head = tail+1;
     if(!found) goto nextline;
+#if __SIZEOF_LONG__ == 4
+    // A 32 bit kernel would have already truncated the value, a 64 bit kernel
+    // doesn't need to.  Truncate here to let 32 bit programs to continue to get
+    // truncated values.  It's that or change the API for a larger data type.
+    slotll = strtoull(head,&tail,10);
+    *(found->slot) = (unsigned long)slotll;
+#else
     *(found->slot) = strtoul(head,&tail,10);
+#endif
 nextline:
 
 //if(found) fprintf(stderr,"%s=%d\n",found->name,*(found->slot));
