diff options
| author | Shivank Garg <shivankg@amd.com> | 2026-07-01 05:17:22 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-07-02 23:26:54 -0700 |
| commit | 2b39b8472b2c87b602a10fe0c62ce6fc9ac8493d (patch) | |
| tree | 8446e29dbcf988baa5761dd83a8da2d7e3e2b43d /include | |
| parent | 6db41a906f151b82f48379915775e19ef0f43b8a (diff) | |
| download | linux-next-2b39b8472b2c87b602a10fe0c62ce6fc9ac8493d.tar.gz linux-next-2b39b8472b2c87b602a10fe0c62ce6fc9ac8493d.zip | |
mm/migrate: use migrate_info field instead of private
Add an unsigned long migrate_info member to the struct folio union and use
it to store migration state (anon_vma pointer and FOLIO_WAS_* markers)
instead of using folio->private. While at it, switch to bitwise OR.
No functional change.
Link: https://lore.kernel.org/20260701-migrate-cleanups-prep-v2-3-d9e8f17130b1@amd.com
Signed-off-by: Shivank Garg <shivankg@amd.com>
Suggested-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Huang Ying <ying.huang@linux.alibaba.com>
Acked-by: Zi Yan <ziy@nvidia.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Byungchul Park <byungchul@sk.com>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Gregory Price <gourry@gourry.net>
Cc: Joshua Hahn <joshua.hahnjy@gmail.com>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm_types.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index b18c2b2e7d2c..ae9bca4eda5c 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -427,6 +427,7 @@ struct folio { union { void *private; swp_entry_t swap; + unsigned long migrate_info; }; atomic_t _mapcount; atomic_t _refcount; |