>>> 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. 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/