Remove rb_gc_heap_sizes

Author: peterzhu2118

gc.c

@@ -871,7 +871,6 @@ ruby_modular_gc_init(void)
 # define rb_gc_impl_ractor_cache_alloc rb_gc_functions.ractor_cache_alloc
 # define rb_gc_impl_set_params rb_gc_functions.set_params
 # define rb_gc_impl_init rb_gc_functions.init
-# define rb_gc_impl_heap_sizes rb_gc_functions.heap_sizes
 // Shutdown
 # define rb_gc_impl_shutdown_free_objects rb_gc_functions.shutdown_free_objects
 # define rb_gc_impl_objspace_free rb_gc_functions.objspace_free
@@ -4716,12 +4715,6 @@ rb_gc_initial_stress_set(VALUE flag)
     initial_stress = flag;
 }
 
-size_t *
-rb_gc_heap_sizes(void)
-{
-    return rb_gc_impl_heap_sizes(rb_gc_get_objspace());
-}
-
 VALUE
 rb_gc_enable(void)
 {

gc/default/default.c

@@ -2611,21 +2611,6 @@ rb_gc_impl_heap_id_for_size(void *objspace_ptr, size_t size)
     return heap_idx_for_size(size);
 }
 
-
-static size_t heap_sizes[HEAP_COUNT + 1] = { 0 };
-
-size_t *
-rb_gc_impl_heap_sizes(void *objspace_ptr)
-{
-    if (heap_sizes[0] == 0) {
-        for (unsigned char i = 0; i < HEAP_COUNT; i++) {
-            heap_sizes[i] = heap_slot_size(i);
-        }
-    }
-
-    return heap_sizes;
-}
-
 NOINLINE(static VALUE newobj_cache_miss(rb_objspace_t *objspace, rb_ractor_newobj_cache_t *cache, size_t heap_idx, bool vm_locked));
 
 static VALUE

gc/gc_impl.h

@@ -38,7 +38,6 @@ GC_IMPL_FN void rb_gc_impl_objspace_init(void *objspace_ptr);
 GC_IMPL_FN void *rb_gc_impl_ractor_cache_alloc(void *objspace_ptr, void *ractor);
 GC_IMPL_FN void rb_gc_impl_set_params(void *objspace_ptr);
 GC_IMPL_FN void rb_gc_impl_init(void);
-GC_IMPL_FN size_t *rb_gc_impl_heap_sizes(void *objspace_ptr);
 // Shutdown
 GC_IMPL_FN void rb_gc_impl_shutdown_free_objects(void *objspace_ptr);
 GC_IMPL_FN void rb_gc_impl_objspace_free(void *objspace_ptr);

gc/mmtk/mmtk.c

@@ -687,12 +687,6 @@ rb_gc_impl_init(void)
     rb_define_singleton_method(rb_mGC, "verify_compaction_references", rb_f_notimplement, -1);
 }
 
-size_t *
-rb_gc_impl_heap_sizes(void *objspace_ptr)
-{
-    return heap_sizes;
-}
-
 int
 rb_mmtk_obj_free_iter_wrapper(VALUE obj, void *data)
 {

gc/wbcheck/wbcheck.c

@@ -536,12 +536,6 @@ rb_gc_impl_init(void)
     // Stub implementation
 }
 
-size_t *
-rb_gc_impl_heap_sizes(void *objspace_ptr)
-{
-    return heap_sizes;
-}
-
 // Shutdown
 void
 rb_gc_impl_shutdown_free_objects(void *objspace_ptr)

internal/gc.h

@@ -205,7 +205,6 @@ void *rb_gc_ractor_cache_alloc(rb_ractor_t *ractor);
 void rb_gc_ractor_cache_free(void *cache);
 
 bool rb_gc_size_allocatable_p(size_t size);
-size_t *rb_gc_heap_sizes(void);
 size_t rb_gc_heap_id_for_size(size_t size);
 
 void rb_gc_mark_and_move(VALUE *ptr);