The patch titled
Subject: mm-page_alloc-add-same-penalty-is-enough-to-get-round-robin-order-v3
has been added to the -mm tree. Its filename is
mm-page_alloc-add-same-penalty-is-enough-to-get-round-robin-order-v3.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-page_alloc-add-same-penalty-is-enough-to-get-round-robin-order-v3.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-page_alloc-add-same-penalty-is-enough-to-get-round-robin-order-v3.patch
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------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: mm-page_alloc-add-same-penalty-is-enough-to-get-round-robin-order-v3
remove remove MAX_NODE_LOAD, per Vlastimil
Link: https://lkml.kernel.org/r/20220412001319.7462-1-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Acked-by: Oscar Salvador <osalvador@xxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Krupa Ramakrishnan <krupa.ramakrishnan@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/mm/page_alloc.c~mm-page_alloc-add-same-penalty-is-enough-to-get-round-robin-order-v3
+++ a/mm/page_alloc.c
@@ -6182,7 +6182,6 @@ int numa_zonelist_order_handler(struct c
}
-#define MAX_NODE_LOAD (nr_online_nodes)
static int node_load[MAX_NUMNODES];
/**
@@ -6229,7 +6228,7 @@ int find_next_best_node(int node, nodema
val += PENALTY_FOR_NODE_WITH_CPUS;
/* Slight preference for less loaded node */
- val *= (MAX_NODE_LOAD*MAX_NUMNODES);
+ val *= MAX_NUMNODES;
val += node_load[n];
if (val < min_val) {
@@ -6312,7 +6311,7 @@ static void build_zonelists(pg_data_t *p
*/
if (node_distance(local_node, node) !=
node_distance(local_node, prev_node))
- node_load[node] += nr_online_nodes;
+ node_load[node] += 1;
node_order[nr_nodes++] = node;
prev_node = node;
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
mm-memcg-mz-already-removed-from-rb_tree-if-not-null.patch
mm-memcg-set-memcg-after-css-verified-and-got-reference.patch
mm-memcg-set-pos-explicitly-for-reclaim-and-reclaim.patch
mm-memcg-move-generation-assignment-and-comparison-together.patch
mm-memcg-non-hierarchical-mode-is-deprecated.patch
mm-page_alloc-add-same-penalty-is-enough-to-get-round-robin-order.patch
mm-page_alloc-add-same-penalty-is-enough-to-get-round-robin-order-v3.patch
mm-vmscan-reclaim-only-affects-managed_zones.patch
mm-vmscan-make-sure-wakeup_kswapd-with-managed-zone.patch
mm-vmscan-make-sure-wakeup_kswapd-with-managed-zone-v2.patch
mm-vmscan-sc-reclaim_idx-must-be-a-valid-zone-index.patch
