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-rw-r--r--arch/x86/mm/srat_64.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index bccbdc7be43..e5a1ec8342d 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -346,8 +346,12 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
/* First clean up the node list */
for (i = 0; i < MAX_NUMNODES; i++) {
cutoff_node(i, start, end);
- /* ZZZ why was this needed. At least add a comment */
- if (nodes[i].end && (nodes[i].end - nodes[i].start) < NODE_MIN_SIZE) {
+ /*
+ * don't confuse VM with a node that doesn't have the
+ * minimum memory.
+ */
+ if (nodes[i].end &&
+ (nodes[i].end - nodes[i].start) < NODE_MIN_SIZE) {
unparse_node(i);
node_set_offline(i);
}