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-rw-r--r--src/svm/svm_fifo.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h
index f10b4d91a2a..84901d022d6 100644
--- a/src/svm/svm_fifo.h
+++ b/src/svm/svm_fifo.h
@@ -75,7 +75,8 @@ typedef struct _svm_fifo
#if SVM_FIFO_TRACE
svm_fifo_trace_elem_t *trace;
#endif
- i8 refcnt;
+ u32 freelist_index; /**< aka log2(allocated_size) - const. */
+ i8 refcnt; /**< reference count */
CLIB_CACHE_LINE_ALIGN_MARK (data);
} svm_fifo_t;