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rhashtable: avoid unnecessary wakeup for worker queue

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Move condition statements of verifying whether hash table size exceeds
its maximum threshold or reaches its minimum threshold from resizing
functions to resizing decision functions, avoiding unnecessary wakeup
for worker queue thread.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Cc: Thomas Graf <tgraf@suug.ch>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ying Xue 2015-01-07 13:41:56 +08:00 • committed by David S. Miller
parent bd6d4db552
commit c0c09bfdc4
2 changed files with 8 additions and 12 deletions
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2
include/linux/rhashtable.h
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@ -113,7 +113,7 @@ struct rhashtable {
struct bucket_table __rcu *tbl;
struct bucket_table __rcu *future_tbl;
atomic_t nelems;
size_t shift;
atomic_t shift;
struct rhashtable_params p;
struct delayed_work run_work;
struct mutex mutex;