From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: [PATCH 5/6] RDS: flush the FMR pool less often Date: Tue, 25 Aug 2015 12:02:02 -0700 Message-ID: <1440529323-4171-6-git-send-email-santosh.shilimkar@oracle.com> References: <1440529323-4171-1-git-send-email-santosh.shilimkar@oracle.com> Cc: linux-kernel@vger.kernel.org, davem@davemloft.net, ssantosh@kernel.org, Santosh Shilimkar To: netdev@vger.kernel.org Return-path: In-Reply-To: <1440529323-4171-1-git-send-email-santosh.shilimkar@oracle.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org FMR flush is an expensive and time consuming operation. Reduce the frequency of FMR pool flush by 50% so that more FMR work gets accumulated for more efficient flushing. Signed-off-by: Santosh Shilimkar Signed-off-by: Santosh Shilimkar --- net/rds/ib_rdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index 2ac78c9..e596dfb 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -737,7 +737,7 @@ void rds_ib_free_mr(void *trans_private, int invalidate) /* If we've pinned too many pages, request a flush */ if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned || - atomic_read(&pool->dirty_count) >= pool->max_items / 10) + atomic_read(&pool->dirty_count) >= pool->max_items / 5) queue_delayed_work(rds_ib_fmr_wq, &pool->flush_worker, 10); if (invalidate) { -- 1.9.1