On 2026/6/3 5:55, Lisa Wang wrote: > Generalize extra_pins handling to all MF_DELAYED cases not only > shmem_mapping. > > If MF_DELAYED is returned, the filemap continues to hold refcounts on the > folio. Hence, take that into account when checking for extra refcounts. > > As clarified in an earlier patch, a return value of MF_DELAYED implies that > the page still has elevated refcounts. Hence, set extra_pins to true if the > return value is MF_DELAYED. This is aligned with the implementation in > me_swapcache_dirty(), where, if a folio is still in the swap cache, ret is > set to MF_DELAYED and extra_pins is set to true. > > Signed-off-by: Lisa Wang <[email protected]>
Acked-by: Miaohe Lin <[email protected]> Thanks. .

