On 4 Apr 2022, at 15:30, Matthew Wilcox (Oracle) wrote: > I heartily endorse Zi Yan's minimal fixes. These patches, drawn from > my development tree and with absolutely no testing, are a different > approach to fixing the problem. I would have submitted these patches > earlier if I'd known they were needed. > > I think migrate_misplaced_transhuge_page() may be missing from Zi's > patch, but maybe filesystem pages can't end up in that path? Anyway, > let me know if you like these patches better. Yeah, I thought numa faulting only works on anonymous pages. I was wrong. > > Matthew Wilcox (Oracle) (4): > mm/migrate: Use a folio in alloc_migration_target() > mm/migrate: Use a folio in migrate_misplaced_transhuge_page() > mm: Add vma_alloc_folio() > mm/mempolicy: Use vma_alloc_folio() in new_page() > > include/linux/gfp.h | 8 +++-- > mm/mempolicy.c | 38 +++++++++++++-------- > mm/migrate.c | 80 +++++++++++++++------------------------------ > 3 files changed, 56 insertions(+), 70 deletions(-) > > -- > 2.34.1 The whole series looks good to me. My patch can be dropped. Thanks. Reviewed-by: Zi Yan <ziy@xxxxxxxxxx> -- Best Regards, Yan, Zi
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