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[v2,13/18] IB/iser: Make fastreg pool cache friendly

Message ID 1427820358-15087-14-git-send-email-sagig@mellanox.com (mailing list archive)
State Accepted
Headers show

Commit Message

Sagi Grimberg March 31, 2015, 4:45 p.m. UTC 
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 <sagig@mellanox.com>
---
 drivers/infiniband/ulp/iser/iser_memory.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 17a5d70..45f5120 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -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);
 }