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Properly pad struct tx_cpu to cache line 

We already use ____cacheline_aligned in many places, so add one more
instead of seems arbitrary char tc_pad[8].

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
Closes #15402
This commit is contained in:
Alexander Motin 2023-10-20 14:54:05 -04:00 committed by Tony Hutter
parent 8ca95d78c5
commit eaa62d9951
1 changed files with 1 additions and 2 deletions
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3
include/sys/txg_impl.h
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@ -73,8 +73,7 @@ struct tx_cpu {
kcondvar_t tc_cv[TXG_SIZE]; kcondvar_t tc_cv[TXG_SIZE];
uint64_t tc_count[TXG_SIZE]; /* tx hold count on each txg */ uint64_t tc_count[TXG_SIZE]; /* tx hold count on each txg */
list_t tc_callbacks[TXG_SIZE]; /* commit cb list */ list_t tc_callbacks[TXG_SIZE]; /* commit cb list */
char tc_pad[8]; /* pad to fill 3 cache lines */ } ____cacheline_aligned;
};
/* /*
* The tx_state structure maintains the state information about the different * The tx_state structure maintains the state information about the different