Since commit 6514d511dbe5 ("ksm: singly-linked rmap_list") was
merged, remove_trailing_rmap_items() doesn't use the 'mm_slot'
parameter. So remove it, and update caller accordingly.

Signed-off-by: Chengyang Fan <redacted>
---
  mm/ksm.c | 7 +++----
  1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mm/ksm.c b/mm/ksm.c
index 9694ee2c71de..dd69f030c8c0 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c

@@ -817,8 +817,7 @@ static void remove_rmap_item_from_tree(struct rmap_item *rmap_item)
  	cond_resched();		/* we're called from many long loops */
  }
  
-static void remove_trailing_rmap_items(struct mm_slot *mm_slot,
-				       struct rmap_item **rmap_list)
+static void remove_trailing_rmap_items(struct rmap_item **rmap_list)
  {
  	while (*rmap_list) {
  		struct rmap_item *rmap_item = *rmap_list;

@@ -989,7 +988,7 @@ static int unmerge_and_remove_all_rmap_items(void)
  				goto error;
  		}
  
-		remove_trailing_rmap_items(mm_slot, &mm_slot->rmap_list);
+		remove_trailing_rmap_items(&mm_slot->rmap_list);
  		mmap_read_unlock(mm);
  
  		spin_lock(&ksm_mmlist_lock);

@@ -2337,7 +2336,7 @@ static struct rmap_item *scan_get_next_rmap_item(struct page **page)
  	 * Nuke all the rmap_items that are above this current rmap:
  	 * because there were no VM_MERGEABLE vmas with such addresses.
  	 */
-	remove_trailing_rmap_items(slot, ksm_scan.rmap_list);
+	remove_trailing_rmap_items(ksm_scan.rmap_list);
  
  	spin_lock(&ksm_mmlist_lock);
  	ksm_scan.mm_slot = list_entry(slot->mm_list.next,