Changeset 68205 in vbox for trunk/src/VBox/Devices

Timestamp:

Jul 31, 2017 2:00:31 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

117303

Message:

Devices/Storage/IOBufMgmt: Don't actually allocate memory when allocation is suspended. Otherwise large requests waiting for all memory being freed up are stalled by smaller requests which can still find free memory blocks.

File:

• trunk/src/VBox/Devices/Storage/IOBufMgmt.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Storage/IOBufMgmt.cpp

@@ -431 +431 @@
     AssertReturn(cbIoBuf > 0, VERR_INVALID_PARAMETER);
 
-    if (!pThis->cbFree)
+    if (   !pThis->cbFree
+        || pThis->fAllocSuspended)
         return VERR_NO_MEMORY;