On Mon, Oct 22, 2012 at 11:38 AM, Jacob Shin <jacob.s...@amd.com> wrote: > > Does EFI do this on above 4G memory? All the EFI BIOSes we have in house > looked > to be only touching under 4G.
I have no idea about it. > >> >> 2. partial page: >> E820 or user could pass memmap that is not page aligned. >> old cold will guarded by max_low_pfn and max_pfn. so the end partial >> page will be trimmed down, and memblock can one use it. >> middle partial page will still get covered by directly mapping, and >> memblock still can use them. >> Now we will not map middle partial page and memblock still try to use it >> we could get panic when accessing those pages. >> >> So I would suggest to just revert that temporary patch at this time, >> and later come out one complete patch for stable kernels. > > Hm okay, I was hoping not, but if it has to be .. It's hpa's call. -- 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/