The patch titled
Subject: mm: be more verbose about zonelist initialization
has been removed from the -mm tree. Its filename was
mm-be-more-verbose-about-zonelist-initialization.patch
This patch was dropped because it was withdrawn
------------------------------------------------------
From: Michal Hocko <mhocko@xxxxxxxx>
Subject: mm: be more verbose about zonelist initialization
We have seen several bugs where zonelists have not been initialized
properly and it is not really straightforward to track those bugs down.
One way to help a bit at least is to dump zonelists of each node when they
are (re)initialized.
Link: http://lkml.kernel.org/r/20190213094315.3504-1-mhocko@xxxxxxxxxx
Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
Reviewed-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Reviewed-by: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Pingfan Liu <kernelfans@xxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/mm/page_alloc.c~mm-be-more-verbose-about-zonelist-initialization
+++ a/mm/page_alloc.c
@@ -5602,6 +5602,8 @@ static void build_zonelists(pg_data_t *p
int node, load, nr_nodes = 0;
nodemask_t used_mask;
int local_node, prev_node;
+ struct zone *zone;
+ struct zoneref *z;
/* NUMA-aware ordering of nodes */
local_node = pgdat->node_id;
@@ -5627,6 +5629,11 @@ static void build_zonelists(pg_data_t *p
build_zonelists_in_node_order(pgdat, node_order, nr_nodes);
build_thisnode_zonelists(pgdat);
+
+ pr_info("node[%d] zonelist: ", pgdat->node_id);
+ for_each_zone_zonelist(zone, z, &pgdat->node_zonelists[ZONELIST_FALLBACK], MAX_NR_ZONES-1)
+ pr_cont("%d:%s ", zone_to_nid(zone), zone->name);
+ pr_cont("\n");
}
#ifdef CONFIG_HAVE_MEMORYLESS_NODES
_
Patches currently in -mm which might be from mhocko@xxxxxxxx are
