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Groups > linux.kernel > #1524580
| From | Boris Ostrovsky <boris.ostrovsky@oracle.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] xen/gntdev: Use mempolicy instead of VM_IO flag to avoid NUMA balancing |
| Date | 2016-11-17 18:40 +0100 |
| Message-ID | <sEyPg-3IB-15@gated-at.bofh.it> (permalink) |
| References | <sEcvo-609-31@gated-at.bofh.it> <sEt3b-8sS-3@gated-at.bofh.it> <sEyme-3v8-87@gated-at.bofh.it> <sEyme-3v8-85@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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On 11/17/2016 11:01 AM, Olaf Hering wrote: > On Thu, Nov 17, Boris Ostrovsky wrote: > >> On 11/17/2016 06:28 AM, Olaf Hering wrote: >>> ERROR: "__mpol_dup" [drivers/xen/xen-gntdev.ko] undefined! >>> ERROR: "get_task_policy" [drivers/xen/xen-gntdev.ko] undefined! >> I just built 4.4.11 with this patch applied and haven't had any problems. > Are these functions exported? How would the driver module call into the > core kernel? Maybe the added functionality should be provided by an > exported helper function. You are right --- I didn't realize was building with grant device built-in. So yes, this needs to be fixed. -boris
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[PATCH v2] xen/gntdev: Use mempolicy instead of VM_IO flag to avoid NUMA balancing Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-11-16 18:50 +0100
Re: [PATCH v2] xen/gntdev: Use mempolicy instead of VM_IO flag to avoid NUMA balancing Olaf Hering <olaf@aepfle.de> - 2016-11-17 12:30 +0100
Re: [PATCH v2] xen/gntdev: Use mempolicy instead of VM_IO flag to avoid NUMA balancing Olaf Hering <olaf@aepfle.de> - 2016-11-17 18:10 +0100
Re: [PATCH v2] xen/gntdev: Use mempolicy instead of VM_IO flag to avoid NUMA balancing Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-11-17 18:40 +0100
Re: [PATCH v2] xen/gntdev: Use mempolicy instead of VM_IO flag to avoid NUMA balancing Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-11-17 18:30 +0100
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