1 files changed, 9 insertions, 0 deletions
diff --git a/deps/v8/src/heap/cppgc/globals.h b/deps/v8/src/heap/cppgc/globals.h
index 18a7e3189ec..734abd508ef 100644
--- a/deps/v8/src/heap/cppgc/globals.h
+++ b/deps/v8/src/heap/cppgc/globals.h
@@ -8,6 +8,8 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include "include/cppgc/internal/gc-info.h"
+
 namespace cppgc {
 namespace internal {
 
@@ -31,8 +33,15 @@ constexpr size_t kPageSize = 1 << kPageSizeLog2;
 constexpr size_t kPageOffsetMask = kPageSize - 1;
 constexpr size_t kPageBaseMask = ~kPageOffsetMask;
 
+// Guard pages are always put into memory. Whether they are actually protected
+// depends on the allocator provided to the garbage collector.
+constexpr size_t kGuardPageSize = 4096;
+
 constexpr size_t kLargeObjectSizeThreshold = kPageSize / 2;
 
+constexpr GCInfoIndex kFreeListGCInfoIndex = 0;
+constexpr size_t kFreeListEntrySize = 2 * sizeof(uintptr_t);
+
 }  // namespace internal
 }  // namespace cppgc