[PATCH] Removed unused argument vma from migrate_misplaced_folio

From: Donet Tom
Date: Mon Nov 25 2024 - 02:57:58 EST


Commit ee86814b0562 ("mm/migrate: move NUMA hinting fault folio
isolation + checks under PTL") removed the code that had used
the vma argument in migrate_misplaced_folio.

Since the vma argument was no longer used in migrate_misplaced_folio,
this patch removed it.

Signed-off-by: Donet Tom <donettom@xxxxxxxxxxxxx>
---
include/linux/migrate.h | 6 ++----
mm/huge_memory.c | 2 +-
mm/memory.c | 2 +-
mm/migrate.c | 3 +--
4 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 002e49b2ebd9..29919faea2f1 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -144,16 +144,14 @@ const struct movable_operations *page_movable_ops(struct page *page)
#ifdef CONFIG_NUMA_BALANCING
int migrate_misplaced_folio_prepare(struct folio *folio,
struct vm_area_struct *vma, int node);
-int migrate_misplaced_folio(struct folio *folio, struct vm_area_struct *vma,
- int node);
+int migrate_misplaced_folio(struct folio *folio, int node);
#else
static inline int migrate_misplaced_folio_prepare(struct folio *folio,
struct vm_area_struct *vma, int node)
{
return -EAGAIN; /* can't migrate now */
}
-static inline int migrate_misplaced_folio(struct folio *folio,
- struct vm_area_struct *vma, int node)
+static inline int migrate_misplaced_folio(struct folio *folio, int node)
{
return -EAGAIN; /* can't migrate now */
}
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index ee335d96fc39..ab46ef718b44 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2002,7 +2002,7 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf)
spin_unlock(vmf->ptl);
writable = false;

- if (!migrate_misplaced_folio(folio, vma, target_nid)) {
+ if (!migrate_misplaced_folio(folio, target_nid)) {
flags |= TNF_MIGRATED;
nid = target_nid;
task_numa_fault(last_cpupid, nid, HPAGE_PMD_NR, flags);
diff --git a/mm/memory.c b/mm/memory.c
index 75c2dfd04f72..12bb79d4df72 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -5625,7 +5625,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
ignore_writable = true;

/* Migrate to the requested node */
- if (!migrate_misplaced_folio(folio, vma, target_nid)) {
+ if (!migrate_misplaced_folio(folio, target_nid)) {
nid = target_nid;
flags |= TNF_MIGRATED;
task_numa_fault(last_cpupid, nid, nr_pages, flags);
diff --git a/mm/migrate.c b/mm/migrate.c
index 2ce6b4b814df..411b378dd39f 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -2683,8 +2683,7 @@ int migrate_misplaced_folio_prepare(struct folio *folio,
* elevated reference count on the folio. This function will un-isolate the
* folio, dereferencing the folio before returning.
*/
-int migrate_misplaced_folio(struct folio *folio, struct vm_area_struct *vma,
- int node)
+int migrate_misplaced_folio(struct folio *folio, int node)
{
pg_data_t *pgdat = NODE_DATA(node);
int nr_remaining;
--
2.37.2