1 files changed, 4 insertions, 1 deletions
diff --git a/src/kernel/KernelKit/BinaryMutex.h b/src/kernel/KernelKit/BinaryMutex.h
index 2fb390d3..2388c50a 100644
--- a/src/kernel/KernelKit/BinaryMutex.h
+++ b/src/kernel/KernelKit/BinaryMutex.h
@@ -7,6 +7,7 @@
 #define KERNELKIT_BINARYMUTEX_H
 
 #include <CompilerKit/CompilerKit.h>
+#include <KernelKit/CoreProcessScheduler.h>
 #include <KernelKit/Timer.h>
 #include <NeKit/Config.h>
 
@@ -14,6 +15,7 @@ namespace Kernel {
 class UserProcess;
 
 /// @brief Access control class, which locks a task until one is done.
+/// Implements priority inheritance to prevent priority inversion.
 class BinaryMutex final {
  public:
   using LockedPtr = UserProcess*;
@@ -36,7 +38,8 @@ class BinaryMutex final {
   NE_COPY_DEFAULT(BinaryMutex)
 
  private:
-  LockedPtr fLockingProcess{nullptr};
+  LockedPtr    fLockingProcess{nullptr};
+  AffinityKind fOwnerOriginalAffinity{AffinityKind::kInvalid};  // for priority inheritance
 };
 }  // namespace Kernel