revert r41628 because it causes memory error on mswin.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@41662 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 9 deletions

diff --git a/gc.c b/gc.c
index 21c9173a50..0f84e22966 100644
--- a/gc.c
+++ b/gc.c
@@ -236,7 +236,7 @@ getrusage_time(void)
 #define GC_PROF_SET_MALLOC_INFO do {\
 	if (objspace->profile.run) {\
 	    gc_profile_record *record = &objspace->profile.record[objspace->profile.count];\
-	    record->allocate_increase = malloc_increase + malloc_increase2;\
+	    record->allocate_increase = malloc_increase;\
 	    record->allocate_limit = malloc_limit; \
 	}\
     } while(0)
@@ -352,7 +352,6 @@ typedef struct rb_objspace {
     struct {
 	size_t limit;
 	size_t increase;
-	size_t increase2;
 #if CALC_EXACT_MALLOC_SIZE
 	size_t allocated_size;
 	size_t allocations;
@@ -406,7 +405,6 @@ int *ruby_initial_gc_stress_ptr = &rb_objspace.gc_stress;
 #endif
 #define malloc_limit		objspace->malloc_params.limit
 #define malloc_increase 	objspace->malloc_params.increase
-#define malloc_increase2 	objspace->malloc_params.increase2
 #define heaps			objspace->heap.ptr
 #define heaps_length		objspace->heap.length
 #define heaps_used		objspace->heap.used
@@ -758,9 +756,8 @@ vm_malloc_prepare(rb_objspace_t *objspace, size_t size)
     size += sizeof(size_t);
 #endif
 
-    malloc_increase += size;
     if ((ruby_gc_stress && !ruby_disable_gc_stress) ||
-	malloc_increase > malloc_limit) {
+	(malloc_increase+size) > malloc_limit) {
 	garbage_collect_with_gvl(objspace);
     }
 
@@ -770,6 +767,8 @@ vm_malloc_prepare(rb_objspace_t *objspace, size_t size)
 static inline void *
 vm_malloc_fixup(rb_objspace_t *objspace, void *mem, size_t size)
 {
+    malloc_increase += size;
+
 #if CALC_EXACT_MALLOC_SIZE
     objspace->malloc_params.allocated_size += size;
     objspace->malloc_params.allocations++;
@@ -2212,8 +2211,6 @@ before_gc_sweep(rb_objspace_t *objspace)
     objspace->heap.sweep_slots = heaps;
     objspace->heap.free_num = 0;
 
-    malloc_increase2 += ATOMIC_SIZE_EXCHANGE(malloc_increase,0);
-
     /* sweep unlinked method entries */
     if (GET_VM()->unlinked_method_entry_list) {
 	rb_sweep_method_entry(GET_VM());
@@ -2230,12 +2227,11 @@ after_gc_sweep(rb_objspace_t *objspace)
         heaps_increment(objspace);
     }
 
-    if ((malloc_increase + malloc_increase2) > malloc_limit) {
+    if (malloc_increase > malloc_limit) {
 	malloc_limit += (size_t)((malloc_increase - malloc_limit) * (double)objspace->heap.live_num / (heaps_used * HEAP_OBJ_LIMIT));
 	if (malloc_limit < initial_malloc_limit) malloc_limit = initial_malloc_limit;
     }
     malloc_increase = 0;
-    malloc_increase2 = 0;
 
     free_unused_heaps(objspace);
 }