Re: [PATCHv3 2/2] IB/rxe: optimize the function duplicate_request

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On 2018/4/3 14:23, Leon Romanovsky wrote:
On Tue, Apr 03, 2018 at 10:58:34AM +0800, Yanjun Zhu wrote:

On 2018/4/1 17:12, Yonatan Cohen wrote:
On 3/31/2018 7:18 AM, Zhu Yanjun wrote:
In the function duplicate_request, the reference of skb can be increased
to replace the function skb_clone.

This will make rxe performace better and save memory.

did you make sure that when free_rd_atomic_resources() is called there
is no double free ? or no free at all ?
Thanks for your reply.
For several day's test after this patch is applied, I can not find double
free error in softroce. If you can find it, please let me know how to
reproduce it.
The CONFIG_DEBUG_OBJECTS_FREE option might be able to prove it.
Your help is appreciated.
I applied the above patch and built a linux kernel with the kernel option CONFIG_DEBUG_OBJECTS_FREE enabled.
I deployed the kernel in my test environment.
To now, the tests run for 1 hour. And I can not find any error.
I will run for 3 or 4 days. If any error, I will let you know.

Zhu Yanjun

Thanks


Thanks a lot.
Zhu Yanjun
thanks.

Yonatan.



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