From e8841fbf5824a32e1983c7635e6e9a7be8f9b51d Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sun, 3 Sep 2023 23:03:50 +0900
Subject: [PATCH] gc.h: move mrb_heap_page definition to gc.c

---
 include/mruby/gc.h | 13 ++-----------
 src/gc.c           |  9 +++++++++
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/include/mruby/gc.h b/include/mruby/gc.h
index 17280a19f..7f40ca64a 100644
--- a/include/mruby/gc.h
+++ b/include/mruby/gc.h
@@ -41,22 +41,13 @@ typedef enum {
 #pragma warning(disable : 4200)
 #endif
 
-typedef struct mrb_heap_page {
-  struct RBasic *freelist;
-  struct mrb_heap_page *prev;
-  struct mrb_heap_page *next;
-  mrb_bool old:1;
-  /* Flexible array members area a C99 feature, not C++ compatible */
-  /* void* objects[]; */
-} mrb_heap_page;
-
 #ifdef _MSC_VER
 #pragma warning(pop)
 #endif
 
 typedef struct mrb_gc {
-  mrb_heap_page *heaps;            /* heaps for GC */
-  mrb_heap_page *sweeps;           /* page where sweep starts */
+  struct mrb_heap_page *heaps;     /* heaps for GC */
+  struct mrb_heap_page *sweeps;    /* page where sweep starts */
   struct RBasic *gray_list;        /* list of gray objects to be traversed incrementally */
   struct RBasic *atomic_gray_list; /* list of objects to be traversed atomically */
   size_t live;                     /* count of live objects */
diff --git a/src/gc.c b/src/gc.c
index 66626d20c..fdec9287f 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -148,6 +148,15 @@ typedef struct {
 #define MRB_HEAP_PAGE_SIZE 1024
 #endif
 
+typedef struct mrb_heap_page {
+  struct RBasic *freelist;
+  struct mrb_heap_page *prev;
+  struct mrb_heap_page *next;
+  mrb_bool old:1;
+  /* Flexible array members area a C99 feature, not C++ compatible */
+  /* void* objects[]; */
+} mrb_heap_page;
+
 #define GC_STEP_SIZE 1024
 
 /* white: 001 or 010, black: 100, gray: 000, red:111 */