Now that we check that the value passed is a power of 2, we don't need
to play games when comparing what is the size that is going to take
the cache.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
return -1;
}
+ if (new_size == migrate_xbzrle_cache_size()) {
+ /* nothing to do */
+ return new_size;
+ }
+
XBZRLE_cache_lock();
if (XBZRLE.cache != NULL) {
- if (pow2floor(new_size) == migrate_xbzrle_cache_size()) {
- goto out_new_size;
- }
new_cache = cache_init(new_size, TARGET_PAGE_SIZE, errp);
if (!new_cache) {
ret = -1;
XBZRLE.cache = new_cache;
}
-out_new_size:
- ret = pow2floor(new_size);
+ ret = new_size;
out:
XBZRLE_cache_unlock();
return ret;