[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen/tmem: Don't use map_domain_page for long-life-time pages.
On Thu, 2013-06-13 at 14:49 +0100, Jan Beulich wrote: > >>> On 13.06.13 at 15:24, George Dunlap <george.dunlap@xxxxxxxxxxxxx> wrote: > > Did I understand correctly that the map_domain_page() was required on > > >5TiB systems, presumably because of limited virtual address space? In > > which case this code will fail on those systems? > > > > If that is the case, then we need to have a way to make sure tmem cannot > > be enabled on such systems. > > Tmem is full of assumptions that all memory is mapped, and hence > one of the requirements here was to disable tmem when that > assumption is not true (until eventually tmem would get fixed). Isn't this change moving it further away from that fixed state though? Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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