[PATCH 0/4] Alternative fixes for migration

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

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.

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(-)

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2.34.1