We're going to have THP mapped with PTEs. It will confuse numabalancing. Let's skip them for now.
Signed-off-by: Kirill A. Shutemov <[email protected]> Tested-by: Sasha Levin <[email protected]> --- mm/memory.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/mm/memory.c b/mm/memory.c index cdc20d674675..89dae13db3d3 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3179,6 +3179,12 @@ static int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, return 0; } + /* TODO: handle PTE-mapped THP */ + if (PageCompound(page)) { + pte_unmap_unlock(ptep, ptl); + return 0; + } + /* * Avoid grouping on RO pages in general. RO pages shouldn't hurt as * much anyway since they can be in shared cache state. This misses -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
