> On 16-Jun-2023, at 4:38 PM, Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> wrote: > > This patch series implements changes required to support DAX vmemmap > optimization for ppc64. The vmemmap optimization is only enabled with radix MMU > translation and 1GB PUD mapping with 64K page size. The patch series also split > hugetlb vmemmap optimization as a separate Kconfig variable so that > architectures can enable DAX vmemmap optimization without enabling hugetlb > vmemmap optimization. This should enable architectures like arm64 to enable DAX > vmemmap optimization while they can't enable hugetlb vmemmap optimization. More > details of the same are in patch "mm/vmemmap optimization: Split hugetlb and > devdax vmemmap optimization" > > Changes from V1: > * Fix make htmldocs warning > * Fix vmemmap allocation bugs with different alignment values. > * Correctly check for section validity to before we free vmemmap area Thanks for the updated series. The previously reported WARN_ON is not seen with this series. I also ran few regression tests against this series and did not see any problems. Based on the test results Tested-by: Sachin Sant <sachinp@xxxxxxxxxxxxx <mailto:sachinp@xxxxxxxxxxxxx>> -Sachin
