} svm_fifo_segment_freelist_t;
#define FIFO_SEGMENT_MIN_FIFO_SIZE 4096
-#define FIFO_SEGMENT_MAX_FIFO_SIZE (8<<20) /* 8mb max fifo size */
+#define FIFO_SEGMENT_MAX_FIFO_SIZE (2 << 30) /* 2GB max fifo size */
#define FIFO_SEGMENT_ALLOC_CHUNK_SIZE 32 /* Allocation quantum */
-#define FIFO_SEGMENT_F_IS_PREALLOCATED 1 << 0 /* Segment is preallocated */
-#define FIFO_SEGMENT_F_WILL_DELETE 1 << 1 /* Segment will be removed */
+#define FIFO_SEGMENT_F_IS_PREALLOCATED (1 << 0)
+#define FIFO_SEGMENT_F_WILL_DELETE (1 << 1)
typedef struct
{