Linux: Increase storage size of vmstat data

base/process/process_metrics_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/process/process_metrics.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <sstream>
@@ skipping 268 matching lines @@
     "pgalloc_movable 0\n"
     "pgfree 308894908\n"
     "pgactivate 239320\n"
     "pgdeactivate 1\n"
     "pgfault 716044601\n"
     "pgmajfault 2023\n"
     "pgrefill_normal 0\n"
     "pgrefill_high 0\n"
     "pgrefill_movable 0\n";
   EXPECT_TRUE(ParseProcVmstat(valid_input1, &meminfo));
-  EXPECT_EQ(meminfo.pswpin, 179);
-  EXPECT_EQ(meminfo.pswpout, 406);
-  EXPECT_EQ(meminfo.pgmajfault, 487192);
+  EXPECT_EQ(179LU, meminfo.pswpin);
+  EXPECT_EQ(406LU, meminfo.pswpout);
+  EXPECT_EQ(487192LU, meminfo.pgmajfault);
   EXPECT_TRUE(ParseProcVmstat(valid_input2, &meminfo));
-  EXPECT_EQ(meminfo.pswpin, 12);
-  EXPECT_EQ(meminfo.pswpout, 901);
-  EXPECT_EQ(meminfo.pgmajfault, 2023);
+  EXPECT_EQ(12LU, meminfo.pswpin);
+  EXPECT_EQ(901LU, meminfo.pswpout);
+  EXPECT_EQ(2023LU, meminfo.pgmajfault);
 }
 #endif  // defined(OS_LINUX) || defined(OS_ANDROID)
 
 #if defined(OS_LINUX) || defined(OS_CHROMEOS)
 
 // Test that ProcessMetrics::GetCPUUsage() doesn't return negative values when
 // the number of threads running on the process decreases between two successive
 // calls to it.
 TEST_F(SystemMetricsTest, TestNoNegativeCpuUsage) {
   ProcessHandle handle = GetCurrentProcessHandle();
@@ skipping 192 matching lines @@
 
   std::unique_ptr<ProcessMetrics> metrics(
       ProcessMetrics::CreateProcessMetrics(child.Handle()));
   EXPECT_EQ(0, metrics->GetOpenFdCount());
   ASSERT_TRUE(child.Terminate(0, true));
 }
 #endif  // defined(OS_LINUX)
 
 }  // namespace debug
 }  // namespace base