1 files changed, 19 insertions, 0 deletions
diff --git a/utils/libdislocator/libdislocator.so.c b/utils/libdislocator/libdislocator.so.c
index 103da9d5..bd08a678 100644
--- a/utils/libdislocator/libdislocator.so.c
+++ b/utils/libdislocator/libdislocator.so.c
@@ -39,6 +39,7 @@
 
 #if (defined(__linux__) && !defined(__ANDROID__)) || defined(__HAIKU__)
   #include <unistd.h>
+  #include <sys/prctl.h>
   #ifdef __linux__
     #include <sys/syscall.h>
     #include <malloc.h>
@@ -66,6 +67,10 @@
       } while (0)
 
   #endif
+  #ifndef PR_SET_VMA
+    #define PR_SET_VMA 0x53564d41
+    #define PR_SET_VMA_ANON_NAME 0
+  #endif
 #endif
 
 #include "config.h"
@@ -251,6 +256,20 @@ static void *__dislocator_alloc(size_t len) {
 
   }
 
+#if defined(USENAMEDPAGE)
+  #if defined(__linux__)
+  // in the /proc/<pid>/maps file, the anonymous page appears as
+  // `<start>-<end> ---p 00000000 00:00 0 [anon:libdislocator]`
+  if (prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, (unsigned long)ret, tlen,
+            (unsigned long)"libdislocator") < 0) {
+
+    DEBUGF("prctl() failed");
+
+  }
+
+  #endif
+#endif
+
   /* Set PROT_NONE on the last page. */
 
   if (mprotect(ret + PG_COUNT(rlen + 8) * PAGE_SIZE, PAGE_SIZE, PROT_NONE))