On 11/14/25 12:21, Balbir Singh wrote: > Recent changes exposed a BUG in remove_migration_pmd() where the > migration entry was being overridden when the folio is device private. > > Use scope local entry for creating the device private pmde. Make the > pmde writable if the migration entry is writable by moving the check > is_migration_write() prior to creating the device private entry. > > Cc: Andrew Morton <[email protected]> > Cc: David Hildenbrand <[email protected]> > Cc: Zi Yan <[email protected]> > Cc: Joshua Hahn <[email protected]> > Cc: Rakie Kim <[email protected]> > Cc: Byungchul Park <[email protected]> > Cc: Gregory Price <[email protected]> > Cc: Ying Huang <[email protected]> > Cc: Alistair Popple <[email protected]> > Cc: Oscar Salvador <[email protected]> > Cc: Lorenzo Stoakes <[email protected]> > Cc: Baolin Wang <[email protected]> > Cc: "Liam R. Howlett" <[email protected]> > Cc: Nico Pache <[email protected]> > Cc: Ryan Roberts <[email protected]> > Cc: Dev Jain <[email protected]> > Cc: Barry Song <[email protected]> > Cc: Lyude Paul <[email protected]> > Cc: Danilo Krummrich <[email protected]> > Cc: David Airlie <[email protected]> > Cc: Simona Vetter <[email protected]> > Cc: Ralph Campbell <[email protected]> > Cc: Mika Penttilä <[email protected]> > Cc: Matthew Brost <[email protected]> > Cc: Francois Dugast <[email protected]> > > Signed-off-by: Balbir Singh <[email protected]> > Reviewed-by: Lorenzo Stoakes <[email protected]> > --- > mm/huge_memory.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) >
Hi, Andrew This patch fixes a bug in mm/rmap: extend rmap and migration support device-private entries in the thp device-private series. Thanks, Balbir
