Linux: Increase storage size of vmstat data

base/process/process_metrics_linux.cc

Index: base/process/process_metrics_linux.cc
diff --git a/base/process/process_metrics_linux.cc b/base/process/process_metrics_linux.cc
index 89a26090da720ba41c9b8b2ba2e393580fc0c620..f1bfff6ea93182adb558831a8273c256e9f254c0 100644
--- a/base/process/process_metrics_linux.cc
+++ b/base/process/process_metrics_linux.cc
@@ -676,12 +676,16 @@ bool ParseProcVmstat(const std::string& vmstat_data,
     if (tokens.size() != 2)
       continue;
 
+    uint64_t val;
+    if (!StringToUint64(tokens[1], &val))
+      continue;
+
     if (tokens[0] == "pswpin") {
-      StringToInt(tokens[1], &meminfo->pswpin);
+      meminfo->pswpin = val;

[Lei Zhang, 2016/07/28 18:38:05]

Can we just make pswpin and friends uint64_t? Aren't there systems where long is
only 4 bytes?

     } else if (tokens[0] == "pswpout") {
-      StringToInt(tokens[1], &meminfo->pswpout);
+      meminfo->pswpout = val;
     } else if (tokens[0] == "pgmajfault") {
-      StringToInt(tokens[1], &meminfo->pgmajfault);
+      meminfo->pgmajfault = val;
     }
   }