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| author | David Hildenbrand (Arm) <david@kernel.org> | 2026-02-27 22:29:52 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-04-05 13:53:10 -0700 |
| commit | 99573ef4ac30d4eae7a7937f0c9ea351991e3ccc (patch) | |
| tree | 96a0b4bed12d64845ab3d3733fce43823a3c2e52 /include | |
| parent | 22aa3321992eee0a39fb465e5083f5b8b5e7a82a (diff) | |
| download | linux-99573ef4ac30d4eae7a7937f0c9ea351991e3ccc.tar.gz linux-99573ef4ac30d4eae7a7937f0c9ea351991e3ccc.zip | |
mm/pagewalk: drop FW_MIGRATION
We removed the last user of FW_MIGRATION in commit 912aa825957f ("Revert
"mm/ksm: convert break_ksm() from walk_page_range_vma() to folio_walk"").
So let's remove FW_MIGRATION and assign FW_ZEROPAGE bit 0. Including
leafops.h is no longer required.
While at it, convert "expose_page" to "zeropage", as zeropages are now the
only remaining use case for not exposing a page.
Link: https://lkml.kernel.org/r/20260227212952.190691-1-david@kernel.org
Signed-off-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pagewalk.h | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/include/linux/pagewalk.h b/include/linux/pagewalk.h index 88e18615dd72..b41d7265c01b 100644 --- a/include/linux/pagewalk.h +++ b/include/linux/pagewalk.h @@ -148,14 +148,8 @@ int walk_page_mapping(struct address_space *mapping, pgoff_t first_index, typedef int __bitwise folio_walk_flags_t; -/* - * Walk migration entries as well. Careful: a large folio might get split - * concurrently. - */ -#define FW_MIGRATION ((__force folio_walk_flags_t)BIT(0)) - /* Walk shared zeropages (small + huge) as well. */ -#define FW_ZEROPAGE ((__force folio_walk_flags_t)BIT(1)) +#define FW_ZEROPAGE ((__force folio_walk_flags_t)BIT(0)) enum folio_walk_level { FW_LEVEL_PTE, |