[pve-devel] [PATCH] vhost-net: extend device allocation to vmalloc

[Alexandre DERUMIER]

>>Now I'll start workload that 
>>caused memory fragmentation last time (copy hundreds gigabytes of small 
>>files via cephfs) for couple days to try to reproduce. 

Do you use cephfs on proxmox host ? if yes, for what?

----- Mail original ----- 

De: "Dmitry Petuhov" <mityapetuhov at gmail.com> 
À: "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Samedi 6 Septembre 2014 09:40:58 
Objet: Re: [pve-devel] [PATCH] vhost-net: extend device allocation to vmalloc 

Okay, booted this kernel. Looks good. Now I'll start workload that 
caused memory fragmentation last time (copy hundreds gigabytes of small 
files via cephfs) for couple days to try to reproduce. 

05.09.2014 12:40, Alexandre DERUMIER пишет: 
> Hi, 
> here the kernel with the patch: 
> http://odisoweb1.odiso.net/pve-kernel-3.10.0-4-pve_3.10.0-17_amd64.deb 
> 
> Please test! 
> 
> 
> ----- Mail original ----- 
> 
> De: "Alexandre DERUMIER" <aderumier at odiso.com> 
> À: "Dmitry Petuhov" <mityapetuhov at gmail.com> 
> Cc: pve-devel at pve.proxmox.com 
> Envoyé: Jeudi 4 Septembre 2014 15:51:17 
> Objet: Re: [pve-devel] [PATCH] vhost-net: extend device allocation to vmalloc 
> 
> Thanks, 
> 
> I'll build a kernel for you tomorrow, 
> 
> do you have time to test it ? 
> 
> 
> ----- Mail original ----- 
> 
> De: "Dmitry Petuhov" <mityapetuhov at gmail.com> 
> À: pve-devel at pve.proxmox.com 
> Envoyé: Jeudi 4 Septembre 2014 12:23:18 
> Objet: [pve-devel] [PATCH] vhost-net: extend device allocation to vmalloc 
> 
> Backport upstream commit 23cc5a991c7a9fb7e6d6550e65cee4f4173111c5 to 
> 3.10 kernel. 
> In upstream, this code is modified later in patch 
> d04257b07f2362d4eb550952d5bf5f4241a8046d, but it's unapplicable in 3.10 
> because there's still no open-coded kvfree() function (appeared in 
> v3.15-rc5). 
> 
> Should fix bug reported in forum 
> http://forum.proxmox.com/threads/19194-VM-start-problem-with-virtio-net 
> 
> 
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