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Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 87e9fef341d2..8ea87586925e 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -49,6 +49,7 @@
#include <linux/prefetch.h>
#include <linux/printk.h>
#include <linux/dax.h>
+#include <linux/psi.h>
#include <asm/tlbflush.h>
#include <asm/div64.h>
@@ -3305,6 +3306,7 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg,
{
struct zonelist *zonelist;
unsigned long nr_reclaimed;
+ unsigned long pflags;
int nid;
unsigned int noreclaim_flag;
struct scan_control sc = {
@@ -3333,9 +3335,13 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg,
sc.gfp_mask,
sc.reclaim_idx);
+ psi_memstall_enter(&pflags);
noreclaim_flag = memalloc_noreclaim_save();
+
nr_reclaimed = do_try_to_free_pages(zonelist, &sc);
+
memalloc_noreclaim_restore(noreclaim_flag);
+ psi_memstall_leave(&pflags);
trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed);
@@ -3500,6 +3506,7 @@ static int balance_pgdat(pg_data_t *pgdat, int order, int classzone_idx)
int i;
unsigned long nr_soft_reclaimed;
unsigned long nr_soft_scanned;
+ unsigned long pflags;
struct zone *zone;
struct scan_control sc = {
.gfp_mask = GFP_KERNEL,
@@ -3510,6 +3517,7 @@ static int balance_pgdat(pg_data_t *pgdat, int order, int classzone_idx)
.may_swap = 1,
};
+ psi_memstall_enter(&pflags);
__fs_reclaim_acquire();
count_vm_event(PAGEOUTRUN);
@@ -3611,6 +3619,7 @@ static int balance_pgdat(pg_data_t *pgdat, int order, int classzone_idx)
out:
snapshot_refaults(NULL, pgdat);
__fs_reclaim_release();
+ psi_memstall_leave(&pflags);
/*
* Return the order kswapd stopped reclaiming at as
* prepare_kswapd_sleep() takes it into account. If another caller