Hi All, With the mTHP shmem stat names cleaned up [1], we can now introduce real "file_" stats for file-backed memory. This series does that. The stats are useful to give visibility into how file-backed memory is being allocated. I'm planning to build upon this with controls to restrict the folio sizes that can be allocatd for pagecache (subject to test results that demonstrate the value). --- This applies on top of today's mm-unstable (46790522e333). All mm selftests have been run; no regressions were observed. [1] https://lore.kernel.org/linux-mm/20240710095503.3193901-1-ryan.roberts@xxxxxxx/ Thanks, Ryan Ryan Roberts (2): mm: Cleanup count_mthp_stat() definition mm: mTHP stats for pagecache folio allocations Documentation/admin-guide/mm/transhuge.rst | 13 +++ include/linux/huge_mm.h | 76 ++++++------- include/linux/pagemap.h | 17 ++- mm/filemap.c | 6 +- mm/huge_memory.c | 117 ++++++++++++++++----- mm/memory.c | 2 - mm/shmem.c | 6 -- 7 files changed, 163 insertions(+), 74 deletions(-) -- 2.43.0
