On Tue, Jul 31, 2012 at 05:41:51PM +0100, Jan Beulich wrote: > >>> On 31.07.12 at 18:15, Konrad Rzeszutek Wilk <konrad.w...@oracle.com> > >>> wrote: > > On Tue, Jul 31, 2012 at 08:49:21AM -0700, H. Peter Anvin wrote: > >> This means you're either abusing the brk allocator to do something > >> it is not meant to do... which may mean you can a failure in *other* > >> code, or you have a bug in your code that you haven't fixed. > > > > Its the latter - and of one of the patches in this patchset fixes that. > > But then you also can't assume that fitting a 2Gb MMIO hole will > suffice; I have a machine here that I can configure to have a > 3Gb hole, so I think you really need to be on the safe side and > allow to cover all the way up to 4Gb with the space you reserve.
I have a patch to address that were the P2M leafs are re-used (the ones that either full of 1:1 PFNs or INVALID_P2M_ENTRY). But somehow its hitting a bug.. > > Jan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
