[merged] mm-migratec-check-pagelist-in-move_pages_and_store_status.patch removed from -mm tree

[merged] mm-migratec-check-pagelist-in-move_pages_and_store_status.patch removed from -mm tree

[akpm]

The patch titled
     Subject: mm/migrate.c: check pagelist in move_pages_and_store_status()
has been removed from the -mm tree.  Its filename was
     mm-migratec-check-pagelist-in-move_pages_and_store_status.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Wei Yang <richardw.yang@linux.intel.com>
Subject: mm/migrate.c: check pagelist in move_pages_and_store_status()

When pagelist is empty, it is not necessary to do the move and store. 
Also it consolidate the empty list check in one place.

Link: http://lkml.kernel.org/r/20200214003017.25558-4-richardw.yang@linux.intel.com
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/migrate.c |    9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

--- a/mm/migrate.c~mm-migratec-check-pagelist-in-move_pages_and_store_status
+++ a/mm/migrate.c
@@ -1518,9 +1518,6 @@ static int do_move_pages_to_node(struct
 {
 	int err;
 
-	if (list_empty(pagelist))
-		return 0;
-
 	err = migrate_pages(pagelist, alloc_new_node_page, NULL, node,
 			MIGRATE_SYNC, MR_SYSCALL);
 	if (err)
@@ -1608,6 +1605,9 @@ static int move_pages_and_store_status(s
 {
 	int err;
 
+	if (list_empty(pagelist))
+		return 0;
+
 	err = do_move_pages_to_node(mm, pagelist, node);
 	if (err) {
 		/*
@@ -1705,9 +1705,6 @@ static int do_pages_move(struct mm_struc
 		current_node = NUMA_NO_NODE;
 	}
 out_flush:
-	if (list_empty(&pagelist))
-		return err;