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comparison src/share/vm/gc_implementation/g1/ptrQueue.cpp @ 1084:5f932a151fd4

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6895788: G1: SATB and update buffer allocation code allocates too much space Summary: The type in the NEW_C_HEAP_ARRRY and FREE_C_HEAP_ARRAY calls in the buffer allocation code was changed from void* to char as the size argument had already been mulitipled by the byte size of an object pointer. Reviewed-by: ysr, tonyp
author johnc
date Fri, 06 Nov 2009 11:10:05 -0800
parents bd02caa94611
children 44f61c24ddab
comparison
equal deleted inserted replaced
1051:26f1542097f1 1084:5f932a151fd4
105 // Just override the next pointer with NULL, just in case we scan this part 105 // Just override the next pointer with NULL, just in case we scan this part
106 // of the buffer. 106 // of the buffer.
107 res[0] = NULL; 107 res[0] = NULL;
108 return res; 108 return res;
109 } else { 109 } else {
110 return NEW_C_HEAP_ARRAY(void*, _sz); 110 return (void**) NEW_C_HEAP_ARRAY(char, _sz);
111 } 111 }
112 } 112 }
113 113
114 void PtrQueueSet::deallocate_buffer(void** buf) { 114 void PtrQueueSet::deallocate_buffer(void** buf) {
115 assert(_sz > 0, "Didn't set a buffer size."); 115 assert(_sz > 0, "Didn't set a buffer size.");
125 size_t n = _buf_free_list_sz / 2; 125 size_t n = _buf_free_list_sz / 2;
126 while (n > 0) { 126 while (n > 0) {
127 assert(_buf_free_list != NULL, "_buf_free_list_sz must be wrong."); 127 assert(_buf_free_list != NULL, "_buf_free_list_sz must be wrong.");
128 void** head = _buf_free_list; 128 void** head = _buf_free_list;
129 _buf_free_list = (void**)_buf_free_list[0]; 129 _buf_free_list = (void**)_buf_free_list[0];
130 FREE_C_HEAP_ARRAY(void*,head); 130 FREE_C_HEAP_ARRAY(char, head);
131 _buf_free_list_sz --;
131 n--; 132 n--;
132 } 133 }
133 } 134 }
134 135
135 void PtrQueueSet::enqueue_complete_buffer(void** buf, size_t index, bool ignore_max_completed) { 136 void PtrQueueSet::enqueue_complete_buffer(void** buf, size_t index, bool ignore_max_completed) {