Handle execessive hash collisions, VPP-555

[vpp.git] / src / vppinfra / bihash_8_8.h

diff --git a/src/vppinfra/bihash_8_8.h b/src/vppinfra/bihash_8_8.h
index a0d6df2..d70da59 100644 (file)
--- a/src/vppinfra/bihash_8_8.h
+++ b/src/vppinfra/bihash_8_8.h
@@ -53,6 +53,7 @@ clib_bihash_is_free_8_8 (clib_bihash_kv_8_8_t * v)
 static inline u64
 clib_bihash_hash_8_8 (clib_bihash_kv_8_8_t * v)
 {
+  /* Note: to torture-test linear scan, make this fn return a constant */
 #if __SSE4_2__
   return _mm_crc32_u64 (0, v->key);
 #else