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IB/iser: Make fastreg pool cache friendly

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Memory regions are resources that are saved
in the device caches. Increase the probability for
a cache hit by adding the MRU descriptor to pool
head.

Signed-off-by: Sagi Grimberg <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Sagi Grimberg 2015-04-14 18:08:23 +03:00 • committed by Doug Ledford
commit 8b95aa2c1b
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/ulp/iser/iser_memory.c
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@ -63,7 +63,7 @@ iser_reg_desc_put(struct ib_conn *ib_conn,
unsigned long flags;
spin_lock_irqsave(&ib_conn->lock, flags);
list_add_tail(&desc->list, &ib_conn->fastreg.pool);
list_add(&desc->list, &ib_conn->fastreg.pool);
spin_unlock_irqrestore(&ib_conn->lock, flags);
}