# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1318655218 -10800
# Node ID d3601789d638ac3dde6c17fbf1cb2435abf8e1ac
# Parent  b4b7198986a6ddadc14702da614f9c1a181999dc
fixed cleanup_vm to avoid cleaning up kernel pages

diff -r b4b7198986a6 -r d3601789d638 src/vm.c
--- a/src/vm.c	Sat Oct 15 08:06:10 2011 +0300
+++ b/src/vm.c	Sat Oct 15 08:06:58 2011 +0300
@@ -814,6 +814,12 @@
 	rb_begin(&p->vmmap);
 	while((vmnode = rb_next(&p->vmmap))) {
 		struct vm_page *page = vmnode->data;
+
+		/* skip kernel pages obviously */
+		if(!(page->flags & PG_USER)) {
+			continue;
+		}
+
 		if(--page->nref <= 0) {
 			/* free the physical page if nref goes to 0 */
 			free_phys_page(PAGE_TO_ADDR(page->ppage));