[PATCH v1 09/39] mm/huge_memory: page_add_file_rmap() -> folio_add_file_rmap_pmd()

David Hildenbrand
2023-12-11T15:57:46Z

Let's convert remove_migration_pmd() and while at it, perform some folio
conversion.

Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
mm/huge_memory.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 3a387c6f18b6..1f5634b2f374 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3577,6 +3577,7 @@ int set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw,

void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
{
+ struct folio *folio = page_folio(new);
struct vm_area_struct *vma = pvmw->vma;
struct mm_struct *mm = vma->vm_mm;
unsigned long address = pvmw->address;
@@ -3588,7 +3589,7 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
return;

entry = pmd_to_swp_entry(*pvmw->pmd);
- get_page(new);
+ folio_get(folio);
pmde = mk_huge_pmd(new, READ_ONCE(vma->vm_page_prot));
if (pmd_swp_soft_dirty(*pvmw->pmd))
pmde = pmd_mksoft_dirty(pmde);
@@ -3599,10 +3600,10 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
if (!is_migration_entry_young(entry))
pmde = pmd_mkold(pmde);
/* NOTE: this may contain setting soft-dirty on some archs */
- if (PageDirty(new) && is_migration_entry_dirty(entry))
+ if (folio_test_dirty(folio) && is_migration_entry_dirty(entry))
pmde = pmd_mkdirty(pmde);

- if (PageAnon(new)) {
+ if (folio_test_anon(folio)) {
rmap_t rmap_flags = RMAP_COMPOUND;

if (!is_readable_migration_entry(entry))
@@ -3610,9 +3611,9 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)

page_add_anon_rmap(new, vma, haddr, rmap_flags);
} else {
- page_add_file_rmap(new, vma, true);
+ folio_add_file_rmap_pmd(folio, new, vma);
}
- VM_BUG_ON(pmd_write(pmde) && PageAnon(new) && !PageAnonExclusive(new));
+ VM_BUG_ON(pmd_write(pmde) && folio_test_anon(folio) && !PageAnonExclusive(new));
set_pmd_at(mm, haddr, pvmw->pmd, pmde);

/* No need to invalidate - it was non-present before */
--
2.43.0