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-rw-r--r--migration/ram.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/migration/ram.c b/migration/ram.c
index bc6154fe34..d032d389c4 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -69,7 +69,7 @@ static uint64_t bitmap_sync_count;
/* 0x80 is reserved in migration.h start with 0x100 next */
#define RAM_SAVE_FLAG_COMPRESS_PAGE 0x100
-static const uint8_t ZERO_TARGET_PAGE[TARGET_PAGE_SIZE];
+static uint8_t *ZERO_TARGET_PAGE;
static inline bool is_zero_range(uint8_t *p, uint64_t size)
{
@@ -1431,6 +1431,7 @@ static void ram_migration_cleanup(void *opaque)
cache_fini(XBZRLE.cache);
g_free(XBZRLE.encoded_buf);
g_free(XBZRLE.current_buf);
+ g_free(ZERO_TARGET_PAGE);
XBZRLE.cache = NULL;
XBZRLE.encoded_buf = NULL;
XBZRLE.current_buf = NULL;
@@ -1889,6 +1890,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
if (migrate_use_xbzrle()) {
XBZRLE_cache_lock();
+ ZERO_TARGET_PAGE = g_malloc0(TARGET_PAGE_SIZE);
XBZRLE.cache = cache_init(migrate_xbzrle_cache_size() /
TARGET_PAGE_SIZE,
TARGET_PAGE_SIZE);