Changeset 43045 in vbox for trunk/include

Timestamp:

Aug 28, 2012 2:21:43 PM (13 years ago)

Author:

vboxsync

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

80379

Message:

PGM: Employ the 4 unused PGMPHYSPAGE bits for checksumming shared pages in strict builds.

File:

• trunk/include/VBox/vmm/gmm.h (modified) (1 diff)

trunk/include/VBox/vmm/gmm.h

@@ -670 +670 @@
     /** GMM page id. (in/out) */
     uint32_t                    idPage;
-    /** Align at 8 byte boundary. */
-    uint32_t                    uAlignment;
+    /** CRC32 of the page in strict builds (0 if page not available).
+     * In non-strict build this serves as structure alignment. */
+    uint32_t                    u32StrictChecksum;
 } GMMSHAREDPAGEDESC;
 /** Pointer to a GMMSHAREDPAGEDESC. */