diff options
Diffstat (limited to 'src/svm/svm_fifo.c')
| -rw-r--r-- | src/svm/svm_fifo.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c index e478c06e..7f8127cf 100644 --- a/src/svm/svm_fifo.c +++ b/src/svm/svm_fifo.c @@ -192,8 +192,11 @@ svm_fifo_t * svm_fifo_create (u32 data_size_in_bytes) { svm_fifo_t *f; + u32 rounded_data_size; - f = clib_mem_alloc_aligned_or_null (sizeof (*f) + data_size_in_bytes, + /* always round fifo data size to the next highest power-of-two */ + rounded_data_size = (1 << (max_log2 (data_size_in_bytes))); + f = clib_mem_alloc_aligned_or_null (sizeof (*f) + rounded_data_size, CLIB_CACHE_LINE_BYTES); if (f == 0) return 0; |