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| author | Paul E. McKenney | 2017-04-21 22:33:20 +0200 |
|---|---|---|
| committer | Paul E. McKenney | 2017-06-08 17:25:31 +0200 |
| commit | 3ddf20c953520203c42dbed1f091ed52080e1cd2 (patch) | |
| tree | d2525db5a55d7fe86dd0d22d1c4326548ccd970e /include/linux/srcutiny.h | |
| parent | rcutorture: Reduce CPUs dedicated to testing Classic SRCU (diff) | |
| download | kernel-qcow2-linux-3ddf20c953520203c42dbed1f091ed52080e1cd2.tar.gz kernel-qcow2-linux-3ddf20c953520203c42dbed1f091ed52080e1cd2.tar.xz kernel-qcow2-linux-3ddf20c953520203c42dbed1f091ed52080e1cd2.zip | |
srcu: Shrink Tiny SRCU a bit more
This commit rearranges Tiny SRCU's srcu_struct structure, substitutes
u8 for bool, and shrinks counters down to short.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/linux/srcutiny.h')
| -rw-r--r-- | include/linux/srcutiny.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h index 42311ee0334f..b8859179b001 100644 --- a/include/linux/srcutiny.h +++ b/include/linux/srcutiny.h @@ -27,15 +27,15 @@ #include <linux/swait.h> struct srcu_struct { - int srcu_lock_nesting[2]; /* srcu_read_lock() nesting depth. */ + short srcu_lock_nesting[2]; /* srcu_read_lock() nesting depth. */ + short srcu_idx; /* Current reader array element. */ + u8 srcu_gp_running; /* GP workqueue running? */ + u8 srcu_gp_waiting; /* GP waiting for readers? */ struct swait_queue_head srcu_wq; /* Last srcu_read_unlock() wakes GP. */ unsigned long srcu_gp_seq; /* GP seq # for callback tagging. */ struct rcu_segcblist srcu_cblist; /* Pending SRCU callbacks. */ - int srcu_idx; /* Current reader array element. */ - bool srcu_gp_running; /* GP workqueue running? */ - bool srcu_gp_waiting; /* GP waiting for readers? */ struct work_struct srcu_work; /* For driving grace periods. */ #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; |