From 2262aec645a8bb431a6acf76624fd01468ca0715 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Sat, 21 Feb 2015 00:05:31 +0100
Subject: [PATCH gnumach 1/3] xxx notes

---
 vm/vm_pageout.c  | 2 ++
 vm/vm_resident.c | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/vm/vm_pageout.c b/vm/vm_pageout.c
index c4aba96..cee37ce 100644
--- a/vm/vm_pageout.c
+++ b/vm/vm_pageout.c
@@ -681,6 +681,8 @@ void vm_pageout_scan(void)
 			/*NOTREACHED*/
 		}
 
+		// xxx try to drop a clean page here
+
 		vm_pageout_inactive++;
 
 		/* Find a page we are interested in paging out.  If we
diff --git a/vm/vm_resident.c b/vm/vm_resident.c
index b65b756..92b2397 100644
--- a/vm/vm_resident.c
+++ b/vm/vm_resident.c
@@ -666,7 +666,7 @@ void vm_page_remove(
 		bucket->pages = mem->next;
 	} else {
 		vm_page_t	*prev;
-
+		// XXX linear scan
 		for (prev = &this->next;
 		     (this = *prev) != mem;
 		     prev = &this->next)
-- 
2.1.4