On Wed, Oct 17, 2018 at 01:49:17PM +0530, Anshuman Khandual wrote: > > > On 10/12/2018 09:29 AM, Anshuman Khandual wrote: > > This patch series enables HugeTLB migration support for all supported > > huge page sizes at all levels including contiguous bit implementation. > > Following HugeTLB migration support matrix has been enabled with this > > patch series. All permutations have been tested except for the 16GB. > > > > CONT PTE PMD CONT PMD PUD > > -------- --- -------- --- > > 4K: 64K 2M 32M 1G > > 16K: 2M 32M 1G > > 64K: 2M 512M 16G > > > > First the series adds migration support for PUD based huge pages. It > > then adds a platform specific hook to query an architecture if a > > given huge page size is supported for migration while also providing > > a default fallback option preserving the existing semantics which just > > checks for (PMD|PUD|PGDIR)_SHIFT macros. The last two patches enables > > HugeTLB migration on arm64 and subscribe to this new platform specific > > hook by defining an override. > > > > The second patch differentiates between movability and migratability > > aspects of huge pages and implements hugepage_movable_supported() which > > can then be used during allocation to decide whether to place the huge > > page in movable zone or not. > > > > Changes in V2: > > > > - Added a new patch which differentiates migratability and movability > > of huge pages and implements hugepage_movable_supported() function > > as suggested by Michal Hocko. > > Hello Andrew/Michal/Mike/Naoya/Catalin, > > Just checking for an update. Does this series looks okay ? Looks good to me. So for the series Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
