Re: [Xen-devel] An issue in sharing the pages again in xen-memshare

[Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>]

On 8/24/18 8:07 AM, sepanta s wrote:
> I debugged the kernel codes and found out the root cause.
> The sharing is not done for some pages causing error -E2BIG which is due
> to reference count being more than one. This prevents hypervor to
> nominate the page. As much as I know about this issue, the page that I
> want to nominate and I receive this error from make_page_sharable
> function in mem_sharing.c is pointed by more than one pages. So, is
> there any idea to resolve this issue? I though that I can put the page
> number in a buffer and share it again after t milliseconds but still the
> nomination return -E2BIG error.  Am I missing something?

As stated before, unfortunately I've never used this feature and don't
know what to suggest. Again, maybe Tamas will chime in.

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