Changeset 1560 in vbox for trunk/src

Timestamp:

Mar 19, 2007 4:41:06 PM (18 years ago)

Author:

vboxsync

Message:

Include offset into first page into page number calculation (!).

File:

• trunk/src/VBox/Devices/VMMDev/VMMDevHGCM.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/VMMDev/VMMDevHGCM.cpp

@@ -84 +84 @@
     VBOXHGCMLINPTR *pLinPtr = &paLinPtrs[iLinPtr];
     
+    /* Take the offset into the current page also into account! */
+    u32Size += GCPtr & PAGE_OFFSET_MASK;
+
     uint32_t cPages = (u32Size + PAGE_SIZE - 1) / PAGE_SIZE;
     
@@ -419 +422 @@
                              if (pGuestParm->type != VMMDevHGCMParmType_LinAddr_In)
                              {
-                                 /* Remember the guest physical pages those belongs to the virtual address 
+                                 /* Remember the guest physical pages that belong to the virtual address 
                                   * region.
                                   */