qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [RFC PATCH 3/3] mm: support free hugepage pre zero out


From: Liang Li
Subject: Re: [RFC PATCH 3/3] mm: support free hugepage pre zero out
Date: Tue, 22 Dec 2020 20:13:12 +0800

> > Free page reporting in virtio-balloon doesn't give you any guarantees
> > regarding zeroing of pages. Take a look at the QEMU implementation -
> > e.g., with vfio all reports are simply ignored.
> >
> > Also, I am not sure if mangling such details ("zeroing of pages") into
> > the page reporting infrastructure is a good idea.
> >
>
> Oh, now I get what you are doing here, you rely on zero_free_pages of
> your other patch series and are not relying on virtio-balloon free page
> reporting to do the zeroing.
>
> You really should have mentioned that this patch series relies on the
> other one and in which way.

I am sorry for that. After I sent out the patch, I realized I should
mention that, so I sent out an updated version which added the
information you mentioned :)

Thanks !
Liang



reply via email to

[Prev in Thread] Current Thread [Next in Thread]