search for: unlock_page_memcg

...pcount_ptr(page))) { + /* Last compound_mapcount is gone. */ + __dec_lruvec_page_state(page, NR_ANON_THPS); + if (TestClearPageDoubleMap(page)) { + /* No need in mapcount reference anymore */ + for (i = 0; i < HPAGE_PMD_NR; i++) + atomic_dec(&page[i]._mapcount); + } } + unlock_page_memcg(page); } - unlock_page_memcg(page); smp_wmb(); /* make pte visible before pmd */ pmd_populate(mm, pmd, pgtable); -- 2.20.1

...d_mapcount is gone. */ > + __dec_lruvec_page_state(page, NR_ANON_THPS); > + if (TestClearPageDoubleMap(page)) { > + /* No need in mapcount reference anymore */ > + for (i = 0; i < HPAGE_PMD_NR; i++) > + atomic_dec(&page[i]._mapcount); > + } > } > + unlock_page_memcg(page); > } > - unlock_page_memcg(page); > > smp_wmb(); /* make pte visible before pmd */ > pmd_populate(mm, pmd, pgtable); > -- > 2.20.1 ? Best Regards, Yan Zi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: appli...

...pcount_ptr(page))) { + /* Last compound_mapcount is gone. */ + __dec_lruvec_page_state(page, NR_ANON_THPS); + if (TestClearPageDoubleMap(page)) { + /* No need in mapcount reference anymore */ + for (i = 0; i < HPAGE_PMD_NR; i++) + atomic_dec(&page[i]._mapcount); + } } + unlock_page_memcg(page); } - unlock_page_memcg(page); smp_wmb(); /* make pte visible before pmd */ pmd_populate(mm, pmd, pgtable); -- 2.20.1

This series adds support for transparent huge page migration to migrate_vma_*() and adds nouveau SVM and HMM selftests as consumers. An earlier version was posted previously [1]. This version now supports splitting a THP midway in the migration process which led to a number of changes. The patches apply cleanly to the current linux-mm tree. Since there are a couple of patches in linux-mm from Dan