dom0/qmemman: allow balance when xen have low free memory (#563)

2012-06-26 00:26:53 +02:00 · 2012-06-26 00:26:53 +02:00 · 29e3593a02
commit 29e3593a02
parent 0008e71784
1 changed files with 3 additions and 0 deletions
--- a/dom0/qmemman/qmemman.py
+++ b/dom0/qmemman/qmemman.py
@ -132,6 +132,9 @@ class SystemState:
        total_memory_transfer = 0
        MIN_TOTAL_MEMORY_TRANSFER = 150*1024*1024
        MIN_MEM_CHANGE_WHEN_UNDER_PREF = 15*1024*1024
+        # If xenfree to low, return immediately
+        if self.XEN_FREE_MEM_LEFT - xenfree > MIN_MEM_CHANGE_WHEN_UNDER_PREF:
+            return True
        for rq in memset_reqs:
            dom, mem = rq
            last_target = self.domdict[dom].last_target