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-rw-r--r--numa.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/numa.c b/numa.c
index 116d1fb57f..a73f6483ea 100644
--- a/numa.c
+++ b/numa.c
@@ -56,6 +56,14 @@ void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node)
{
struct numa_addr_range *range = g_malloc0(sizeof(*range));
+ /*
+ * Memory-less nodes can come here with 0 size in which case,
+ * there is nothing to do.
+ */
+ if (!size) {
+ return;
+ }
+
range->mem_start = addr;
range->mem_end = addr + size - 1;
QLIST_INSERT_HEAD(&numa_info[node].addr, range, entry);
@@ -74,6 +82,21 @@ void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node)
}
}
+static void numa_set_mem_ranges(void)
+{
+ int i;
+ ram_addr_t mem_start = 0;
+
+ /*
+ * Deduce start address of each node and use it to store
+ * the address range info in numa_info address range list
+ */
+ for (i = 0; i < nb_numa_nodes; i++) {
+ numa_set_mem_node_id(mem_start, numa_info[i].node_mem, i);
+ mem_start += numa_info[i].node_mem;
+ }
+}
+
static void numa_node_parse(NumaNodeOptions *node, QemuOpts *opts, Error **errp)
{
uint16_t nodenr;
@@ -299,6 +322,8 @@ void parse_numa_opts(MachineClass *mc)
QLIST_INIT(&numa_info[i].addr);
}
+ numa_set_mem_ranges();
+
for (i = 0; i < nb_numa_nodes; i++) {
if (!bitmap_empty(numa_info[i].node_cpu, MAX_CPUMASK_BITS)) {
break;
@@ -323,6 +348,8 @@ void parse_numa_opts(MachineClass *mc)
}
validate_numa_cpus();
+ } else {
+ numa_set_mem_node_id(0, ram_size, 0);
}
}