On Sun, Jan 02, 2022 at 09:57:12PM +0000, Matthew Wilcox (Oracle) wrote: > This patch series is against my current folio for-next branch. I know > it won't apply to sfr's next tree, and it's not for-next material yet. > I intend to submit it for 5.18 after I've rebased it to one of the > 5.17-rc releases. > > The overall effect of this (ignoring the primary "preparing for folios > that are not PAGE or PMD sized" purpose) is to reduce the size of gup.o > by ~700 bytes in the config I normally test with. > > This patchset just converts existing implementations to use folios. > There's no new API for consumers here to provide information in a more > efficient (address, length) format. That will be a separate patchset. > > Matthew Wilcox (Oracle) (17): > mm: Add folio_put_refs() > mm: Add folio_pincount_available() > mm: Add folio_pincount_ptr() > mm: Convert page_maybe_dma_pinned() to use a folio > gup: Add try_get_folio() > mm: Remove page_cache_add_speculative() and > page_cache_get_speculative() > gup: Add gup_put_folio() > gup: Add try_grab_folio() > gup: Convert gup_pte_range() to use a folio > gup: Convert gup_hugepte() to use a folio > gup: Convert gup_huge_pmd() to use a folio > gup: Convert gup_huge_pud() to use a folio > gup: Convert gup_huge_pgd() to use a folio > gup: Convert for_each_compound_head() to gup_for_each_folio() > gup: Convert for_each_compound_range() to gup_for_each_folio_range() > mm: Add isolate_lru_folio() > gup: Convert check_and_migrate_movable_pages() to use a folio Looked fine to me Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Thanks, Jason
