mbuf: fix performance with 128-byte cache line

[dpdk.git] / lib / librte_eal / linuxapp / eal / include / exec-env / rte_kni_common.h

diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h
index 815abd6..7e5e598 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h
+++ b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h
@@ -68,6 +68,8 @@
  */
 #define RTE_KNI_NAMESIZE 32
 
+#define RTE_CACHE_LINE_MIN_SIZE 64
+
 /*
  * Request id.
  */
@@ -118,7 +120,7 @@ struct rte_kni_mbuf {
        uint16_t data_len;      /**< Amount of data in segment buffer. */
 
        /* fields on second cache line */
-       char pad3[8] __attribute__((__aligned__(RTE_CACHE_LINE_SIZE)));
+       char pad3[8] __attribute__((__aligned__(RTE_CACHE_LINE_MIN_SIZE)));
        void *pool;
        void *next;
 };