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[v3,2/4] KVM: Define KVM_MEMSLOTS_NUM_MAX_DEFAULT

Message ID 20240909145413.3748429-3-peterx@redhat.com
State New
Headers show
Series KVM: Dynamic sized memslots array | expand

Commit Message

Peter Xu Sept. 9, 2024, 2:54 p.m. UTC 
Make the default max nr_slots a macro, it's only used when KVM reports
nothing.

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
---
 accel/kvm/kvm-all.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index c51a3f18db..2a2ee4e7d7 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -71,6 +71,8 @@ 
 
 /* Default num of memslots to be allocated when VM starts */
 #define  KVM_MEMSLOTS_NR_ALLOC_DEFAULT                      16
+/* Default max allowed memslots if kernel reported nothing */
+#define  KVM_MEMSLOTS_NR_MAX_DEFAULT                        32
 
 struct KVMParkedVcpu {
     unsigned long vcpu_id;
@@ -2515,7 +2517,7 @@  static int kvm_init(MachineState *ms)
 
     /* If unspecified, use the default value */
     if (!s->nr_slots) {
-        s->nr_slots = 32;
+        s->nr_slots_max = KVM_MEMSLOTS_NR_MAX_DEFAULT;
     }
 
     /*