diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index ee4eecc7e1c2..2beff0e0dc7b 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -3348,10 +3348,8 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg, gfp_t gfp_mask, bool may_swap) { - struct zonelist *zonelist; unsigned long nr_reclaimed; unsigned long pflags; - int nid; unsigned int noreclaim_flag; struct scan_control sc = { .nr_to_reclaim = max(nr_pages, SWAP_CLUSTER_MAX), @@ -3364,16 +3362,14 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg, .may_unmap = 1, .may_swap = may_swap, }; - - set_task_reclaim_state(current, &sc.reclaim_state); /* - * Unlike direct reclaim via alloc_pages(), memcg's reclaim doesn't - * take care of from where we get pages. So the node where we start the - * scan does not need to be the current node. + * Traverse the ZONELIST_FALLBACK zonelist of the current node to put + * equal pressure on all the nodes. This is based on the assumption that + * the reclaim does not bail out early. */ - nid = mem_cgroup_select_victim_node(memcg); + struct zonelist *zonelist = node_zonelist(numa_node_id(), sc.gfp_mask); - zonelist = &NODE_DATA(nid)->node_zonelists[ZONELIST_FALLBACK]; + set_task_reclaim_state(current, &sc.reclaim_state); trace_mm_vmscan_memcg_reclaim_begin(0, sc.gfp_mask); |