1 files changed, 15 insertions, 0 deletions
diff --git a/configure b/configure
index 978505611b..429c938708 100755
--- a/configure
+++ b/configure
@@ -2408,6 +2408,18 @@ else
   pty_h=no
 fi
 
+cat > $TMPC <<EOF
+#include <sys/mman.h>
+int main(int argc, char *argv[]) {
+    return mlockall(MCL_FUTURE);
+}
+EOF
+if compile_prog "" "" ; then
+  have_mlockall=yes
+else
+  have_mlockall=no
+fi
+
 #########################################
 # vhost interdependencies and host support
 
@@ -7902,6 +7914,9 @@ fi
 if test "$pty_h" = "yes" ; then
   echo "HAVE_PTY_H=y" >> $config_host_mak
 fi
+if test "$have_mlockall" = "yes" ; then
+  echo "HAVE_MLOCKALL=y" >> $config_host_mak
+fi
 if test "$fuzzing" = "yes" ; then
   if test "$have_fuzzer" = "yes"; then
     FUZZ_LDFLAGS=" -fsanitize=address,fuzzer"