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From: Roland Dreier <roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: "Weiny, Ira" <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [RFC PATCH 03/16] ib/mad: Add check for jumbo MADs support on a device
Date: Sun, 7 Dec 2014 16:47:25 -0800	[thread overview]
Message-ID: <CAG4TOxNt+0p+i1a6oN1xx+K_OZEuZhPJ5e=44KScnaGVA4E0SA@mail.gmail.com> (raw)
In-Reply-To: <2807E5FD2F6FDA4886F6618EAC48510E0CBD4F23-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>

On Sun, Dec 7, 2014 at 4:23 PM, Weiny, Ira <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> wrote:
> I don't think this is a bad idea, however, the complication is determining the kmem_cache object size in that case.  How about we limit this value to < 2K until such time as there is a need for larger support?

Can we just get rid of all the kmem_caches used in the MAD code?  I
don't think any of this is so performance-critical that we couldn't
just use kmalloc...

 - R.
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  parent reply	other threads:[~2014-12-08  0:47 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-13 19:54 [RFC PATCH 00/16] ib_mad: Add support for Intel Omni-Path Architecture (OPA) MAD processing ira.weiny-ral2JQCrhuEAvxtiuMwx3w
     [not found] ` <1415908465-24392-1-git-send-email-ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-11-13 19:54   ` [RFC PATCH 01/16] ib/mad: rename is_data_mad to is_rmpp_data_mad ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 02/16] ib/core: add IB_DEVICE_JUMBO_MAD_SUPPORT device cap flag ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 03/16] ib/mad: Add check for jumbo MADs support on a device ira.weiny-ral2JQCrhuEAvxtiuMwx3w
     [not found]     ` <1415908465-24392-4-git-send-email-ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-11-27 11:47       ` Or Gerlitz
     [not found]         ` <54770F44.2090909-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-11-27 13:51           ` Sagi Grimberg
     [not found]             ` <54772C70.8060602-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-11-27 14:59               ` Or Gerlitz
     [not found]                 ` <54773C59.6080505-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-01-07 16:32                   ` Weiny, Ira
     [not found]                     ` <2807E5FD2F6FDA4886F6618EAC48510E0CBEE86E-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-08 11:41                       ` Or Gerlitz
2014-12-08  0:23           ` Weiny, Ira
     [not found]             ` <2807E5FD2F6FDA4886F6618EAC48510E0CBD4F23-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-12-08  0:47               ` Roland Dreier [this message]
     [not found]                 ` <CAG4TOxNt+0p+i1a6oN1xx+K_OZEuZhPJ5e=44KScnaGVA4E0SA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-09 23:23                   ` Weiny, Ira
2014-12-08 11:29               ` Or Gerlitz
     [not found]                 ` <CAJ3xEMj-0_0F+VoGZDes92ShFRTbt9Et4WWPt=viY5gx_P-oNg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-09 22:36                   ` Weiny, Ira
     [not found]                     ` <2807E5FD2F6FDA4886F6618EAC48510E0CBD7A97-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-12-10  7:52                       ` Or Gerlitz
2014-11-13 19:54   ` [RFC PATCH 04/16] ib/mad: add base version parameter to ib_create_send_mad ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 05/16] ib/mad: Add MAD size parameters to process_mad ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 06/16] ib/mad: Create jumbo_mad data structures ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 07/16] ib/mad: create a jumbo MAD kmem_cache ira.weiny-ral2JQCrhuEAvxtiuMwx3w
     [not found]     ` <1415908465-24392-8-git-send-email-ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-11-27 11:50       ` Or Gerlitz
     [not found]         ` <54770FF4.3070807-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-12-05 21:25           ` Weiny, Ira
2014-11-13 19:54   ` [RFC PATCH 08/16] ib/mad: Add Intel Omni-Path Architecture defines ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 09/16] ib/mad: Implement support for Intel Omni-Path Architecture base version MADs in ib_create_send_mad ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 10/16] ib/mad: Add registration check for Intel Omni-Path Architecture MADs ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 11/16] ib/mad: create helper function for smi_handle_dr_smp_send ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 12/16] ib/mad: create helper function for smi_handle_dr_smp_recv ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 13/16] ib/mad: create helper function for smi_check_forward_dr_smp ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 14/16] ib/mad: Create helper function for SMI processing ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 15/16] ib/mad: Implement Intel Omni-Path Architecture SMP processing ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-13 19:54   ` [RFC PATCH 16/16] ib/mad: Implement Intel Omni-Path Architecture General MAD processing ira.weiny-ral2JQCrhuEAvxtiuMwx3w
2014-11-18 22:16   ` [RFC PATCH 00/16] ib_mad: Add support for Intel Omni-Path Architecture (OPA) " Or Gerlitz
     [not found]     ` <CAJ3xEMhtm99dRdcEvhK9s961mDr7YSU3pkv-WK=sESKe_K4kYw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-25 21:52       ` Weiny, Ira
     [not found]         ` <2807E5FD2F6FDA4886F6618EAC48510E0CBC6B23-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-11-27 10:02           ` Or Gerlitz
     [not found]             ` <5476F6BB.1020200-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-12-01 22:18               ` Weiny, Ira
2014-11-25 23:16   ` Hal Rosenstock
     [not found]     ` <54750DCF.90308-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-12-01 22:33       ` Weiny, Ira

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