Changeset 5646 in vbox

Timestamp:

Nov 9, 2007 9:45:56 AM (17 years ago)

Author:

vboxsync

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

25982

Message:

Introduced VBOX_WITH_PREALLOC_RAM_BY_DEFAULT which is disabled of course. A customer depends on this. Enabling this will not change PGM_DYNAMIC_RAM_ALLOC as we would execute other less-checked code pathes during execution.

Location:

trunk

Files:

• Config.kmk (modified) (1 diff)
• src/VBox/VMM/MM.cpp (modified) (1 diff)
• src/VBox/VMM/Makefile.kmk (modified) (1 diff)

trunk/Config.kmk

@@ -172 +172 @@
 VBOX_WITH_IDT_PATCHING = 1
 endif
+# Activate this to force the VM to pre-allocate the guest RAM before startup
+VBOX_WITH_PREALLOC_RAM_BY_DEFAULT =
 # The kernel driver/module and related runtime libraries.
 VBOX_WITH_VBOXDRV = 1

trunk/src/VBox/VMM/MM.cpp

@@ -190 +190 @@
     int rc = CFGMR3QueryBool(CFGMR3GetRoot(pVM), "RamPreAlloc", &fPreAlloc);
     if (rc == VERR_CFGM_VALUE_NOT_FOUND)
+#ifdef VBOX_WITH_PREALLOC_RAM_BY_DEFAULT
+        fPreAlloc = true;
+#else
         fPreAlloc = false;
+#endif
     else
         AssertMsgRCReturn(rc, ("Configuration error: Failed to query integer \"RamPreAlloc\", rc=%Vrc.\n", rc), rc);

trunk/src/VBox/VMM/Makefile.kmk

@@ -39 +39 @@
 ifdef VBOX_WITH_IDT_PATCHING
 VMMR3_DEFS     += VBOX_WITH_IDT_PATCHING
+endif
+ifdef VBOX_WITH_PREALLOC_RAM_BY_DEFAULT
+VMMR3_DEFS     += VBOX_WITH_PREALLOC_RAM_BY_DEFAULT
 endif
 VMMR3_INCS     := \