[RFC v1 12/19] mm, mempolicy: use first_node in mpol_misplaced()

Pengfei Li
2019-11-21T15:21:36Z

In mpol_misplaced(), we want to access first node instead of
first zone, so use first_node_nlist instead of first_zone_nlist.

Signed-off-by: Pengfei Li <fly@kernel.page>
---
mm/mempolicy.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 66184add1627..8fd962762e46 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2404,7 +2404,6 @@ static void sp_free(struct sp_node *n)
int mpol_misplaced(struct page *page, struct vm_area_struct *vma, unsigned long addr)
{
struct mempolicy *pol;
- struct zone *zone;
int curnid = page_to_nid(page);
unsigned long pgoff;
int thiscpu = raw_smp_processor_id();
@@ -2440,11 +2439,10 @@ int mpol_misplaced(struct page *page, struct vm_area_struct *vma, unsigned long
*/
if (node_isset(curnid, pol->v.nodes))
goto out;
- zone = first_zone_nlist_nodemask(
+ polnid = first_node_nlist_nodemask(
node_nodelist(numa_node_id(), GFP_HIGHUSER),
gfp_zone(GFP_HIGHUSER),
&pol->v.nodes);
- polnid = zone_to_nid(zone);
break;

default:
--
2.23.0