diff --git a/include/fxos/util/system.h b/include/fxos/util/system.h
new file mode 100644
index 0000000..c606a5b
--- /dev/null
+++ b/include/fxos/util/system.h
@@ -0,0 +1,25 @@
+//---------------------------------------------------------------------------//
+//  1100101 |_ mov #0, r4         __                                         //
+//     11   |_ <0xb380 %5c4>     / _|_ _____ ___                             //
+//     0110 |_ 3.50 -> 3.60     |  _\ \ / _ (_-<                             //
+//          |_ base# + offset   |_| /_\_\___/__/                             //
+//---------------------------------------------------------------------------//
+// fxos/util/system: System-specific functions
+
+#ifndef FXOS_UTIL_SYSTEM_H
+#define FXOS_UTIL_SYSTEM_H
+
+#include <unistd.h>
+
+static inline long systemGetCurrentRSS()
+{
+    FILE *fp = fopen("/proc/self/statm", "r");
+    if(!fp)
+        return 0;
+    long rss = 0;
+    int rc = fscanf(fp, "%*s %ld", &rss);
+    fclose(fp);
+    return (rc == 1) ? rss * sysconf(_SC_PAGESIZE) : 0;
+}
+
+#endif /* FXOS_UTIL_SYSTEM_H */
diff --git a/lib/function.cpp b/lib/function.cpp
index aac762c..afb7689 100644
--- a/lib/function.cpp
+++ b/lib/function.cpp
@@ -327,6 +327,7 @@ bool Function::exploreFunctionAt(u32 functionAddress)
 
     /* Sort blocks now before creating CFG nodes, which are index-based */
     sortBasicBlocks();
+    m_blocks.shrink_to_fit();
 
     /* Set block predecessors */
     for(auto &[pc, succ]: successorAddresses) {
diff --git a/lib/project.cpp b/lib/project.cpp
index 11e85e5..b7738e6 100644
--- a/lib/project.cpp
+++ b/lib/project.cpp
@@ -1,6 +1,7 @@
 #include <fxos/project.h>
 #include <fxos/util/log.h>
 #include <fxos/util/Timer.h>
+#include <fxos/util/system.h>
 #include <filesystem>
 #include <algorithm>
 #include <string>
@@ -197,7 +198,8 @@ bool Project::load(std::string const &path0, bool verbose)
 
     t.stop();
     if(verbose)
-        printf("Loaded %s in %s\n", m_name.c_str(), t.format_time().c_str());
+        printf("Loaded %s in %s (%ld MB used)\n", m_name.c_str(),
+            t.format_time().c_str(), systemGetCurrentRSS() / 1000000);
 
     return true;
 }