rpms/kernel/FC-4 linux-2.6-vm-debug.patch, NONE, 1.1 kernel-2.6.spec, 1.1551, 1.1552

[fedora-cvs-commits at redhat.com]

Author: davej

Update of /cvs/dist/rpms/kernel/FC-4
In directory cvs.devel.redhat.com:/tmp/cvs-serv28849

Modified Files:
	kernel-2.6.spec 
Added Files:
	linux-2.6-vm-debug.patch 
Log Message:
debug foo.


linux-2.6-vm-debug.patch:
 rmap.c |    7 +++++++
 1 files changed, 7 insertions(+)

--- NEW FILE linux-2.6-vm-debug.patch ---
--- linux-2.6.14/mm/rmap.c~	2006-01-03 08:53:32.000000000 -0500
+++ linux-2.6.14/mm/rmap.c	2006-01-03 08:58:19.000000000 -0500
@@ -484,6 +484,13 @@ void page_remove_rmap(struct page *page)
 	BUG_ON(PageReserved(page));
 
 	if (atomic_add_negative(-1, &page->_mapcount)) {
+		if (page_mapcount(page) < 0) {
+			printk (KERN_EMERG "Eeek! page_mapcount(page) went negative! (%d)\n", page->_mapcount);
+			printk (KERN_EMERG "  page->flags = %x\n" page->flags);
+			printk (KERN_EMERG "  page->count = %x\n" page->_count);
+			printk (KERN_EMERG "  page->mapping = %p\n" page->mapping);
+		}
+		
 		BUG_ON(page_mapcount(page) < 0);
 		/*
 		 * It would be tidy to reset the PageAnon mapping here,


Index: kernel-2.6.spec
===================================================================
RCS file: /cvs/dist/rpms/kernel/FC-4/kernel-2.6.spec,v
retrieving revision 1.1551
retrieving revision 1.1552
diff -u -r1.1551 -r1.1552
--- kernel-2.6.spec	2 Jan 2006 02:02:17 -0000	1.1551
+++ kernel-2.6.spec	3 Jan 2006 13:59:11 -0000	1.1552
@@ -368,6 +368,7 @@
 Patch2000: linux-2.6-vm-oomkiller-debugging.patch
 Patch2001: linux-2.6-vm-silence-atomic-alloc-failures.patch
 Patch2003: linux-2.6-vm-clear-unreclaimable.patch
+Patch2004: linux-2.6-vm-debug.patch
 
 
 #
@@ -830,6 +831,8 @@
 %patch2001 -p1
 # prevent OOM kills and page allocation failures under load.
 %patch2003 -p1
+# debug-fu
+%patch2004 -p1
 
 #
 # Patches 5000 to 6000 are reserved for new drivers that are about to