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| -rw-r--r-- | migration.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/migration.c b/migration.c index 46a7305395..25add6f9e2 100644 --- a/migration.c +++ b/migration.c @@ -479,6 +479,13 @@ void qmp_migrate_set_cache_size(int64_t value, Error **errp) return; } + /* Cache should not be larger than guest ram size */ + if (value > ram_bytes_total()) { + error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cache size", + "exceeds guest ram size "); + return; + } + new_size = xbzrle_cache_resize(value); if (new_size < 0) { error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cache size", |