From: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Li Dongyang <dongyang.li-FCV4sgi5zeUQrrorzV6ljw@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 1/2] IB/mlx5: use kvmalloc_array for mlx5_ib_wq
Date: Tue, 22 Aug 2017 16:48:54 -0400 [thread overview]
Message-ID: <1503434934.78641.15.camel@redhat.com> (raw)
In-Reply-To: <20170816133123.20497-1-dongyang.li-FCV4sgi5zeUQrrorzV6ljw@public.gmane.org>
On Wed, 2017-08-16 at 23:31 +1000, Li Dongyang wrote:
> We observed multiple times on our Lustre OSS servers that when
> the system memory is fragmented, kmalloc() in create_kernel_qp()
> could fail order 4/5 allocations while we still have many free pages.
>
> Switch to kvmalloc_array() to allow the operation to contine.
>
> Signed-off-by: Li Dongyang <dongyang.li-FCV4sgi5zeUQrrorzV6ljw@public.gmane.org>
Thanks, applied.
--
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
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prev parent reply other threads:[~2017-08-22 20:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-16 13:31 [PATCH v2 1/2] IB/mlx5: use kvmalloc_array for mlx5_ib_wq Li Dongyang
[not found] ` <20170816133123.20497-1-dongyang.li-FCV4sgi5zeUQrrorzV6ljw@public.gmane.org>
2017-08-16 13:31 ` [PATCH v2 2/2] IB/mlx4: use kvmalloc_array to allocate wrid Li Dongyang
[not found] ` <20170816133123.20497-2-dongyang.li-FCV4sgi5zeUQrrorzV6ljw@public.gmane.org>
2017-08-16 14:01 ` Leon Romanovsky
2017-08-22 20:49 ` Doug Ledford
2017-08-16 13:57 ` [PATCH v2 1/2] IB/mlx5: use kvmalloc_array for mlx5_ib_wq Leon Romanovsky
2017-08-22 20:48 ` Doug Ledford [this message]
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