The macro CMMA_BLOCK_SIZE was defined but not used, and a hardcoded value was instead used in the code.
This patch fixes the value of CMMA_BLOCK_SIZE and uses it in the appropriate place in the code. Signed-off-by: Claudio Imbrenda <imbre...@linux.vnet.ibm.com> --- hw/s390x/s390-stattrib.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/s390x/s390-stattrib.c b/hw/s390x/s390-stattrib.c index 70b9555..a788cdb 100644 --- a/hw/s390x/s390-stattrib.c +++ b/hw/s390x/s390-stattrib.c @@ -20,7 +20,8 @@ #include "qapi/error.h" #include "qapi/qmp/qdict.h" -#define CMMA_BLOCK_SIZE (1 << 10) +/* 512kB cover 2GB of guest memory */ +#define CMMA_BLOCK_SIZE (1 << 19) #define STATTR_FLAG_EOS 0x01ULL #define STATTR_FLAG_MORE 0x02ULL @@ -202,7 +203,7 @@ 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); -- 2.7.4