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Fri, 13 Oct 2023 01:58:36 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779630101666250581 X-GMAIL-MSGID: 1779630101666250581 The cpupid(or access time) used by numa balancing is stored in flags or _last_cpupid(if LAST_CPUPID_NOT_IN_PAGE_FLAGS) of page, this is to convert page cpupid to folio cpupid, a new _last_cpupid is added into folio, which make us to use folio->_last_cpupid directly, and the page cpupid functions are converted to folio ones. page_cpupid_last() -> folio_last_cpupid() xchg_page_access_time() -> folio_xchg_access_time() page_cpupid_xchg_last() -> folio_xchg_last_cpupid() v2: - add virtual into folio too - re-write and split patches to make them easier to review - rename to folio_last_cpupid/folio_xchg_last_cpupid/folio_xchg_access_time - rebased on next-20231013 v1: - drop inappropriate page_cpupid_reset_last conversion from RFC - rebased on next-20231009 Kefeng Wang (19): mm_types: add virtual and _last_cpupid into struct folio mm: add folio_last_cpupid() mm: memory: use folio_last_cpupid() in do_numa_page() mm: huge_memory: use folio_last_cpupid() in do_huge_pmd_numa_page() mm: huge_memory: use folio_last_cpupid() in __split_huge_page_tail() mm: remove page_cpupid_last() mm: add folio_xchg_access_time() sched/fair: use folio_xchg_access_time() in numa_hint_fault_latency() mm: mprotect: use a folio in change_pte_range() mm: huge_memory: use a folio in change_huge_pmd() mm: remove xchg_page_access_time() mm: add folio_xchg_last_cpupid() sched/fair: use folio_xchg_last_cpupid() in should_numa_migrate_memory() mm: migrate: use folio_xchg_last_cpupid() in folio_migrate_flags() mm: huge_memory: use folio_xchg_last_cpupid() in __split_huge_page_tail() mm: make finish_mkwrite_fault() static mm: convert wp_page_reuse() and finish_mkwrite_fault() to take a folio mm: use folio_xchg_last_cpupid() in wp_page_reuse() mm: remove page_cpupid_xchg_last() include/linux/mm.h | 30 +++++++++++++++--------------- include/linux/mm_types.h | 22 ++++++++++++++++++---- kernel/sched/fair.c | 4 ++-- mm/huge_memory.c | 17 +++++++++-------- mm/memory.c | 37 +++++++++++++++++++------------------ mm/migrate.c | 8 ++++---- mm/mmzone.c | 6 +++--- mm/mprotect.c | 16 +++++++++------- 8 files changed, 79 insertions(+), 61 deletions(-)