Changeset 17149 in vbox

Timestamp:

Feb 26, 2009 10:27:45 AM (16 years ago)

Author:

vboxsync

Message:

Put cached pool pages at the front of the in-use list to prevent them from being flushed when we're about to reuse them

File:

• trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp

@@ -1581 +1581 @@
                 if ((PGMPOOLKIND)pPage->enmKind == enmKind)
                 {
+                    /* Put it at the start of the use list to make sure pgmPoolTrackAddUser 
+                     * doesn't flush it in case there are no more free use records.
+                     */
+                    pgmPoolCacheUsed(pPool, pPage);
+
                     int rc = pgmPoolTrackAddUser(pPool, pPage, iUser, iUserTable);
                     if (RT_SUCCESS(rc))
                     {
+                        Assert((PGMPOOLKIND)pPage->enmKind == enmKind);
                         *ppPage = pPage;
                         STAM_COUNTER_INC(&pPool->StatCacheHits);