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ethdev: reduce alignment requirement for 128-byte cache line

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slow-path data structures need not be 128-byte cache aligned.
Reduce the alignment to 64-byte to save the memory.

No behavior change for 64-byte cache aligned systems as minimum
cache line size as 64.

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
This commit is contained in:
Jerin Jacob 2016-01-29 13:15:55 +05:30 committed by Thomas Monjalon
parent 0580a664e3
commit 5fa83b5398
1 changed files with 2 additions and 2 deletions
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4
lib/librte_ether/rte_ethdev.h
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@ -863,7 +863,7 @@ struct rte_eth_rxq_info {
struct rte_eth_rxconf conf; /**< queue config parameters. */
uint8_t scattered_rx; /**< scattered packets RX supported. */
uint16_t nb_desc; /**< configured number of RXDs. */
} __rte_cache_aligned;
} __rte_cache_min_aligned;
/**
* Ethernet device TX queue information structure.
@ -872,7 +872,7 @@ struct rte_eth_rxq_info {
struct rte_eth_txq_info {
struct rte_eth_txconf conf; /**< queue config parameters. */
uint16_t nb_desc; /**< configured number of TXDs. */
} __rte_cache_aligned;
} __rte_cache_min_aligned;
/** Maximum name length for extended statistics counters */
#define RTE_ETH_XSTATS_NAME_SIZE 64