diff --git a/src/include/custommem.h b/src/include/custommem.h
index e21f55149..6c24981c0 100644
--- a/src/include/custommem.h
+++ b/src/include/custommem.h
@@ -132,6 +132,7 @@ void addLockAddress(uintptr_t addr);    // add an address to the list of "LOCK"a
 int isLockAddress(uintptr_t addr);  // return 1 is the address is used as a LOCK, 0 else
 
 void SetHotPage(uintptr_t addr);
+void CheckHotPage(uintptr_t addr);
 int isInHotPage(uintptr_t addr);
 int checkInHotPage(uintptr_t addr);
 #endif