search for: nilal

...ion.org; mawilcox at microsoft.com; > david at redhat.com; cornelia.huck at de.ibm.com; > mgorman at techsingularity.net; aarcange at redhat.com; > amit.shah at redhat.com; pbonzini at redhat.com; > liliang.opensource at gmail.com; yang.zhang.wz at gmail.com; > quan.xu at aliyun.com; nilal at redhat.com; riel at redhat.com > Subject: Re: [PATCH v19 3/7] xbitmap: add more operations > > Wei Wang wrote: > > > But passing GFP_NOWAIT means that we can handle allocation failure. > > > There is no need to use preload approach when we can handle allocation > f...

On Wed, Jun 27, 2018 at 01:06:32PM +0200, David Hildenbrand wrote: > On 25.06.2018 14:05, Wei Wang wrote: > > This patch series is separated from the previous "Virtio-balloon > > Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, > > implemented by this series enables the virtio-balloon driver to report > > hints of guest free pages to the

On Wed, Jun 27, 2018 at 01:06:32PM +0200, David Hildenbrand wrote: > On 25.06.2018 14:05, Wei Wang wrote: > > This patch series is separated from the previous "Virtio-balloon > > Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, > > implemented by this series enables the virtio-balloon driver to report > > hints of guest free pages to the

...ization at lists.linux-foundation.org; > kvm at vger.kernel.org; linux-mm at kvack.org; mhocko at kernel.org; > akpm at linux-foundation.org; torvalds at linux-foundation.org; > pbonzini at redhat.com; liliang.opensource at gmail.com; > yang.zhang.wz at gmail.com; quan.xu0 at gmail.com; nilal at redhat.com; > riel at redhat.com; peterx at redhat.com > Subject: Re: [PATCH v34 0/4] Virtio-balloon: support free page reporting > > On Wed, Jun 27, 2018 at 01:06:32PM +0200, David Hildenbrand wrote: > > On 25.06.2018 14:05, Wei Wang wrote: > > > This patch series is...

...for > things like freeing host memory. > > So while your project's needs seem to be addressed, I'm > still a bit disappointed that so little collaboration > happened with e.g. Nitesh's project, to the point where > you don't even CC him on patches. Isn't "nilal at redhat.com" Nitesh? Actually it's been cc-ed long time ago. I think we should at least see the performance numbers and a working prototype from them (I remember they lack the host side implementation). Btw, this feature is requested by many customers of Linux (not our own project...

On Tue, Dec 12, 2017 at 07:55:55PM +0800, Wei Wang wrote: > +int xb_preload_and_set_bit(struct xb *xb, unsigned long bit, gfp_t gfp); I'm struggling to understand when one would use this. The xb_ API requires you to handle your own locking. But specifying GFP flags here implies you can sleep. So ... um ... there's no locking? > +void xb_clear_bit_range(struct xb *xb, unsigned

On Tue, Dec 12, 2017 at 07:55:55PM +0800, Wei Wang wrote: > +int xb_preload_and_set_bit(struct xb *xb, unsigned long bit, gfp_t gfp); I'm struggling to understand when one would use this. The xb_ API requires you to handle your own locking. But specifying GFP flags here implies you can sleep. So ... um ... there's no locking? > +void xb_clear_bit_range(struct xb *xb, unsigned

On Fri, Jan 26, 2018 at 11:31:19AM +0800, Wei Wang wrote: > On 01/26/2018 10:42 AM, Michael S. Tsirkin wrote: > > On Fri, Jan 26, 2018 at 09:40:44AM +0800, Wei Wang wrote: > > > On 01/25/2018 09:49 PM, Michael S. Tsirkin wrote: > > > > On Thu, Jan 25, 2018 at 05:14:06PM +0800, Wei Wang wrote: > > > > > > > > The controversy is that the free