netdev - Re: [PATCH 1/1] net: rds: exchange of 8K and 1M pool

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Message-Id: <20190424.120821.1238263614541182985.davem@davemloft.net>
Date:   Wed, 24 Apr 2019 12:08:21 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     yanjun.zhu@...cle.com
Cc:     santosh.shilimkar@...cle.com, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org
Subject: Re: [PATCH 1/1] net: rds: exchange of 8K and 1M pool 

From: Zhu Yanjun <yanjun.zhu@...cle.com>
Date: Wed, 24 Apr 2019 02:56:42 -0400

> Before the commit 490ea5967b0d ("RDS: IB: move FMR code to its own file"),
> when the dirty_count is greater than 9/10 of max_items of 8K pool,
> 1M pool is used, Vice versa. After the commit 490ea5967b0d ("RDS: IB: move
> FMR code to its own file"), the above is removed. When we make the
> following tests.
> 
> Server:
>   rds-stress -r 1.1.1.16 -D 1M
> 
> Client:
>   rds-stress -r 1.1.1.14 -s 1.1.1.16 -D 1M
> 
> The following will appear.
> "
> connecting to 1.1.1.16:4000
> negotiated options, tasks will start in 2 seconds
> Starting up..header from 1.1.1.166:4001 to id 4001 bogus
> ..
> tsks  tx/s  rx/s tx+rx K/s  mbi K/s  mbo K/s tx us/c  rtt us
> cpu %
>    1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
>    1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
>    1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
>    1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
>    1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
> ... 
> "
> So this exchange between 8K and 1M pool is added back.
> 
> Fixes: commit 490ea5967b0d ("RDS: IB: move FMR code to its own file")

Please don't put this string "commit " in Fixes: tags.  I've removed
it for you this time.

> Signed-off-by: Zhu Yanjun <yanjun.zhu@...cle.com>

Applied and queued up for -stable, thank you.