On Mon, Jun 07, 2021 at 09:08:41PM +0100, Matthew Wilcox (Oracle) wrote: > This experimental feature has had a few bugs, but it has enough of > a performance effect that customers are actually asking for it to be > enabled. So we should apply this upstream bugfix that needs a little > massaging to backport. The first three patches enable the fix in the > fourth patch. I've run the XArray test-suite after applying these > patches, and it continues to pass. > > Matthew Wilcox (Oracle) (4): > mm: add thp_order > XArray: add xa_get_order > XArray: add xas_split > mm/filemap: fix storing to a THP shadow entry > > Documentation/core-api/xarray.rst | 16 ++- > include/linux/huge_mm.h | 19 +++ > include/linux/xarray.h | 22 ++++ > lib/test_xarray.c | 65 ++++++++++ > lib/xarray.c | 208 ++++++++++++++++++++++++++++-- > mm/filemap.c | 37 ++++-- > 6 files changed, 342 insertions(+), 25 deletions(-) > > -- > 2.30.2 > Now queued up, thanks. greg k-h
