mm/damon: adaptively adjust regions

[linux-2.6-microblaze.git] / mm / vmscan.c

diff --git a/mm/vmscan.c b/mm/vmscan.c
index b0202ab..eeae2f6 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -4424,11 +4424,13 @@ static int __node_reclaim(struct pglist_data *pgdat, gfp_t gfp_mask, unsigned in
                .may_swap = 1,
                .reclaim_idx = gfp_zone(gfp_mask),
        };
+       unsigned long pflags;
 
        trace_mm_vmscan_node_reclaim_begin(pgdat->node_id, order,
                                           sc.gfp_mask);
 
        cond_resched();
+       psi_memstall_enter(&pflags);
        fs_reclaim_acquire(sc.gfp_mask);
        /*
         * We need to be able to allocate from the reserves for RECLAIM_UNMAP
@@ -4453,6 +4455,7 @@ static int __node_reclaim(struct pglist_data *pgdat, gfp_t gfp_mask, unsigned in
        current->flags &= ~PF_SWAPWRITE;
        memalloc_noreclaim_restore(noreclaim_flag);
        fs_reclaim_release(sc.gfp_mask);
+       psi_memstall_leave(&pflags);
 
        trace_mm_vmscan_node_reclaim_end(sc.nr_reclaimed);