Start of work to move static variables into pages.

A little more clean up
More items on the TODO list (take one off, add 3 more).


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@908 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/vm2/TODO

@@ -1,6 +1,7 @@
 1) Need to make the paging daemon load the pages in, using semaphores.
-2) See how unresolvable page faults and permissions errors are handled - need to properly handle
+2) Make the caching and the VM (mmap) work together so that an mmap'ed file and a cached file will not race.
-3) Tests are not done. 
+3) Change the architecture so that instead of multiple static globals, everything is stored in pages.
+4) Tests are not done. 
 	Test:
 		getNextAreaInfo
 		cloneArea
@@ -10,7 +11,7 @@
 		paging
 		disk caching
 
-4) Improve locking (remains to be seen - works ok so far)
+5) Improve locking (remains to be seen - works ok so far)
-5) I use new and delete. I know that doesn't work in kernel land. Not too tough to change, though.  
+6) See how unresolvable page faults and permissions errors are handled - need to properly handle
-	- Pooling is now used for everything but pages
+	- This may have to come at HW integration time, since they will be app signals, etc...
-6) There is no arch-level integration. This is to be tested (to death) in user land first.  * == can not be done in user land.
+7) There is no arch-level integration. This is to be tested (to death) in user land first.  * == can not be done in user land.

src/kernel/vm2/cacheManager.C

@@ -3,10 +3,11 @@
 #include <vpagePool.h>
 
 extern poolvpage vpagePool;
-
+// TODO - we need to (somehow) make sure that the same vnodes here are shared with mmap.
+// Maybe a vnode manager...
 cacheManager::cacheManager(void) : area ()
 {
-	myLock=create_sem(1,"Area Manager Semaphore"); // Should have team name in it.
+	myLock=create_sem(1,"Cache Manager Semaphore"); 
 }
 
 void *cacheManager::findBlock(vnode *target,bool readOnly)

src/kernel/vm2/vm.h

@@ -26,4 +26,14 @@ enum addressSpec {EXACT,BASE,ANY,ANY_KERNEL,CLONE};
 #define CACHE_BEGIN 0x90000000
 #define CACHE_END 0xe0000000
 
+struct vmHeaderBlock
+{
+	poolarea areaPool;
+	poolvpage vpagePool;
+	poolvnode vnodePool;
+	pageManager pageMan(30); // Obviously this hard coded number is a hack...
+	swapFileManager swapMan;
+	cacheManager cacheMan;
+};
+
 #endif