> On Jul 9, 2026, at 19:25, Li Zhe <[email protected]> wrote: > > The comment in __init_zone_device_page() still uses the old > MEMORY_TYPE_* names and implies that FS_DAX pages regain a > refcount of 1 in the free path. That no longer matches the code. > > Update the comment to describe the current policy correctly: > MEMORY_DEVICE_GENERIC pages regain a refcount of 1 in the free path, > while the remaining ZONE_DEVICE types start from 0 here and raise the > count again when the allocator or driver hands the page out. > > No functional change intended. > > Signed-off-by: Li Zhe <[email protected]> > Reviewed-by: David Hildenbrand (Arm) <[email protected]> > Reviewed-by: Alistair Popple <[email protected]> Reviewed-by: Muchun Song <[email protected]>
