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KVM: Define KVM_MEMSLOTS_NUM_MAX_DEFAULT

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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>
Link: https://lore.kernel.org/r/20240917163835.194664-3-peterx@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Xu 2024-09-17 12:38:33 -04:00 • committed by Paolo Bonzini
parent 5504a81261
commit b34a908c8f
1 changed files with 3 additions and 1 deletions
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4
accel/kvm/kvm-all.c
View file

@ -71,6 +71,8 @@
/* Default num of memslots to be allocated when VM starts */ /* Default num of memslots to be allocated when VM starts */
#define KVM_MEMSLOTS_NR_ALLOC_DEFAULT 16 #define KVM_MEMSLOTS_NR_ALLOC_DEFAULT 16
/* Default max allowed memslots if kernel reported nothing */
#define KVM_MEMSLOTS_NR_MAX_DEFAULT 32
struct KVMParkedVcpu { struct KVMParkedVcpu {
unsigned long vcpu_id; unsigned long vcpu_id;
@ -2613,7 +2615,7 @@ static int kvm_init(MachineState *ms)
/* If unspecified, use the default value */ /* If unspecified, use the default value */
if (!s->nr_slots) { if (!s->nr_slots) {
s->nr_slots = 32; s->nr_slots_max = KVM_MEMSLOTS_NR_MAX_DEFAULT;
} }
s->nr_as = kvm_check_extension(s, KVM_CAP_MULTI_ADDRESS_SPACE); s->nr_as = kvm_check_extension(s, KVM_CAP_MULTI_ADDRESS_SPACE);