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Diffstat (limited to 'hw/s390x/s390-stattrib.c')
-rw-r--r--hw/s390x/s390-stattrib.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/hw/s390x/s390-stattrib.c b/hw/s390x/s390-stattrib.c
index 5161a1659b..766f2015a4 100644
--- a/hw/s390x/s390-stattrib.c
+++ b/hw/s390x/s390-stattrib.c
@@ -21,7 +21,8 @@
#include "qapi/error.h"
#include "qapi/qmp/qdict.h"
-#define CMMA_BLOCK_SIZE (1 * KiB)
+/* 512KiB cover 2GB of guest memory */
+#define CMMA_BLOCK_SIZE (512 * KiB)
#define STATTR_FLAG_EOS 0x01ULL
#define STATTR_FLAG_MORE 0x02ULL
@@ -203,7 +204,7 @@ static int cmma_save(QEMUFile *f, void *opaque, int final)
S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas);
uint8_t *buf;
int r, cx, reallen = 0, ret = 0;
- uint32_t buflen = 1 << 19; /* 512kB cover 2GB of guest memory */
+ uint32_t buflen = CMMA_BLOCK_SIZE;
uint64_t start_gfn = sas->migration_cur_gfn;
buf = g_try_malloc(buflen);