On 21.03.22 14:30, Matthew Wilcox wrote: > Hi Linus, > > This is the first of two folio-related pull requests for this merge > window. This is the MM side of things and we had some unfortunate > complex merge conflicts to resolve. I decided to redo my changes on > top of Hugh's and Christoph's patches, so I'm the one sending the > pull request. > > The following changes since commit f71077a4d84bbe8c7b91b7db7c4ef815755ac5e3: > > Merge tag 'mmc-v5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc (2022-02-16 12:09:22 -0800) > > are available in the Git repository at: > > git://git.infradead.org/users/willy/pagecache.git tags/folio-5.18 > > for you to fetch changes up to 5063f22c914e3e5f2239cf91f4986042dc705bde: > > mm/damon: minor cleanup for damon_pa_young (2022-03-16 10:09:50 -0400) > > ---------------------------------------------------------------- > Folio changes for 5.18 > > Several of us had overlapping, conflicting changes to the MM this > round, and I volunteered to send the pull request. > > - Hugh rewrote how munlock works to massively reduce the contention > on i_mmap_rwsem: > https://lore.kernel.org/linux-mm/8e4356d-9622-a7f0-b2c-f116b5f2efea@xxxxxxxxxx/ > - Christoph sorted out the page refcount mess for ZONE_DEVICE pages: > https://lore.kernel.org/linux-mm/20220210072828.2930359-1-hch@xxxxxx/ > - I converted GUP to use folios and make pincount available for order-1 > pages. > - I converted a few more truncation functions to use folios > - I converted page_vma_mapped_walk to use PFNs instead of pages > - I converted rmap_walk to use folios > - I converted most of shrink_page_list() to use a folio > - I added support for creating large folios in readahead > > ---------------------------------------------------------------- > Alex Sierra (10): > mm: add zone device coherent type memory support > mm: add device coherent vma selection for memory migration > mm/gup: fail get_user_pages for LONGTERM dev coherent type > drm/amdkfd: add SPM support for SVM > drm/amdkfd: coherent type as sys mem on migration to ram > lib: test_hmm add ioctl to get zone device type > lib: test_hmm add module param for zone device type > lib: add support for device coherent type in test_hmm > tools: update hmm-test to support device coherent type > tools: update test_hmm script to support SP config > > Alistair Popple (2): > mm: remove the vma check in migrate_vma_setup() > mm/gup: migrate device coherent pages when pinning instead of failing ... I thought DEVICE_COHERENT is still under development? -- Thanks, David / dhildenb
