On Tue, 24 Mar 2015 16:08:34 -0600 Toshi Kani <toshi.kani@xxxxxx> wrote: > This patchset enhances MTRR checks for the kernel huge I/O mapping, > which was enabled by the patchset below: > https://lkml.org/lkml/2015/3/3/589 > > The following functional changes are made in patch 7/7. > - Allow pud_set_huge() and pmd_set_huge() to create a huge page > mapping to a range covered by a single MTRR entry of any memory > type. > - Log a pr_warn() message when a specified PMD map range spans more > than a single MTRR entry. Drivers should make a mapping request > aligned to a single MTRR entry when the range is covered by MTRRs. > OK, I grabbed these after barely looking at them, to get them a bit of runtime testing. I'll await guidance from the x86 maintainers regarding next steps? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>