Lines Matching refs:old_top
6150 " mchunkptr old_top; /* incoming value of av->top */\n" +
6259 " old_top = av->top;\n" +
6260 " old_size = chunksize(old_top);\n" +
6261 " old_end = (char*)(chunk_at_offset(old_top, old_size));\n" +
6270 " assert((old_top == initial_top(av) && old_size == 0) ||\n" +
6272 " prev_inuse(old_top)));\n" +
6363 " set_head(old_top, (size + old_size) | PREV_INUSE);\n" +
6377 " combine new space with existing space in old_top.\n" +
6434 " be able to merge with old_top space, so must add to 2nd request.\n" +
6495 " double fencepost at old_top to prevent consolidation with space\n" +
6503 " Shrink old_top to insert fenceposts, keeping size a\n" +
6505 " enough space in old_top to do this.\n" +
6508 " set_head(old_top, old_size | PREV_INUSE);\n" +
6512 " old_top when old_size was previously MINSIZE. This is\n" +
6513 " intentional. We need the fencepost, even if old_top otherwise gets\n" +
6516 " chunk_at_offset(old_top, old_size )->size =\n" +
6519 " chunk_at_offset(old_top, old_size + SIZE_SZ)->size =\n" +
6528 " fREe(chunk2mem(old_top));\n" +
