[FIX PATCH 1/2] mm/page_alloc: Print node fallback order
From: Bharata B Rao <hidden>
Date: 2021-08-30 12:17:33
Also in:
lkml
Subsystem:
memory management, memory management - page allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Linus Torvalds
Print information message about the allocation fallback order for each NUMA node during boot. No functional changes here. This makes it easier to illustrate the problem in the node fallback list generation, which the next patch fixes. Signed-off-by: Bharata B Rao <redacted> --- mm/page_alloc.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index eeb3a9cb36bb..22f7ad6ec11c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c@@ -6277,6 +6277,10 @@ static void build_zonelists(pg_data_t *pgdat) build_zonelists_in_node_order(pgdat, node_order, nr_nodes); build_thisnode_zonelists(pgdat); + pr_info("Fallback order for Node %d: ", local_node); + for (node = 0; node < nr_nodes; node++) + pr_cont("%d ", node_order[node]); + pr_cont("\n"); } #ifdef CONFIG_HAVE_MEMORYLESS_NODES
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2.25.1