* Re: Allocating dedicated RAM to host that guest can not use [not found] <CAN8oO4BwKdK0AioN=r97NKB=RxrUNrn3822o9nrH466ras+aHA@mail.gmail.com> @ 2014-11-27 11:29 ` Wanpeng Li 2014-11-27 12:09 ` mad Engineer 0 siblings, 1 reply; 4+ messages in thread From: Wanpeng Li @ 2014-11-27 11:29 UTC (permalink / raw) To: mad Engineer; +Cc: kvm, Paolo Bonzini, linux-kernel On Thu, Nov 27, 2014 at 05:12:52PM +0530, mad Engineer wrote: >Hi, > Is there any way to set some RAM dedicated to host that guest can >not access? >Similar to setting RAM to Dom0 in Xen. > >I am over committing RAM for the instances but don't want host to swap. > >i understand that virtual machines are process,but can we achieve this How about limit the memory of which guest can access through memory cgroup? Regards, Wanpeng Li > >Thanks >-- >To unsubscribe from this list: send the line "unsubscribe kvm" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Allocating dedicated RAM to host that guest can not use 2014-11-27 11:29 ` Allocating dedicated RAM to host that guest can not use Wanpeng Li @ 2014-11-27 12:09 ` mad Engineer 2014-11-27 12:16 ` mad Engineer 0 siblings, 1 reply; 4+ messages in thread From: mad Engineer @ 2014-11-27 12:09 UTC (permalink / raw) To: Wanpeng Li; +Cc: kvm, Paolo Bonzini, linux-kernel never tried that. can we do that transparently ie with out setting cgroups for each virtul machines?. A global group such that all combined virtual machines RAM utilization to be with in a specific value ? On Thu, Nov 27, 2014 at 4:59 PM, Wanpeng Li <wanpeng.li@linux.intel.com> wrote: > On Thu, Nov 27, 2014 at 05:12:52PM +0530, mad Engineer wrote: >>Hi, >> Is there any way to set some RAM dedicated to host that guest can >>not access? >>Similar to setting RAM to Dom0 in Xen. >> >>I am over committing RAM for the instances but don't want host to swap. >> >>i understand that virtual machines are process,but can we achieve this > > How about limit the memory of which guest can access through memory cgroup? > > Regards, > Wanpeng Li > >> >>Thanks >>-- >>To unsubscribe from this list: send the line "unsubscribe kvm" in >>the body of a message to majordomo@vger.kernel.org >>More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Allocating dedicated RAM to host that guest can not use 2014-11-27 12:09 ` mad Engineer @ 2014-11-27 12:16 ` mad Engineer 2014-12-02 13:30 ` Paolo Bonzini 0 siblings, 1 reply; 4+ messages in thread From: mad Engineer @ 2014-11-27 12:16 UTC (permalink / raw) To: Wanpeng Li; +Cc: kvm, Paolo Bonzini, linux-kernel a random thought can we set qemu user/group rss to a particular hard limit in limits.conf Can this work? On Thu, Nov 27, 2014 at 5:39 PM, mad Engineer <themadengin33r@gmail.com> wrote: > never tried that. > can we do that transparently ie with out setting cgroups for each > virtul machines?. > A global group such that all combined virtual machines RAM utilization > to be with in a specific value ? > > On Thu, Nov 27, 2014 at 4:59 PM, Wanpeng Li <wanpeng.li@linux.intel.com> wrote: >> On Thu, Nov 27, 2014 at 05:12:52PM +0530, mad Engineer wrote: >>>Hi, >>> Is there any way to set some RAM dedicated to host that guest can >>>not access? >>>Similar to setting RAM to Dom0 in Xen. >>> >>>I am over committing RAM for the instances but don't want host to swap. >>> >>>i understand that virtual machines are process,but can we achieve this >> >> How about limit the memory of which guest can access through memory cgroup? >> >> Regards, >> Wanpeng Li >> >>> >>>Thanks >>>-- >>>To unsubscribe from this list: send the line "unsubscribe kvm" in >>>the body of a message to majordomo@vger.kernel.org >>>More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Allocating dedicated RAM to host that guest can not use 2014-11-27 12:16 ` mad Engineer @ 2014-12-02 13:30 ` Paolo Bonzini 0 siblings, 0 replies; 4+ messages in thread From: Paolo Bonzini @ 2014-12-02 13:30 UTC (permalink / raw) To: mad Engineer, Wanpeng Li; +Cc: kvm, linux-kernel On 27/11/2014 13:16, mad Engineer wrote: > a random thought can we set qemu user/group rss to a particular hard > limit in limits.conf Those apply per process, not per user/group. Paolo ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-12-02 13:30 UTC | newest]
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2014-11-27 11:29 ` Allocating dedicated RAM to host that guest can not use Wanpeng Li
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2014-11-27 12:16 ` mad Engineer
2014-12-02 13:30 ` Paolo Bonzini
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