Make the vm_pmap field of struct vmspace the last field in the

structure. This allows per-CPU variations of struct pmap on a
single architecture without affecting the machine-independent
fields. As such, the PMAP variations don't affect the ABI. They
become part of it.

1 files changed, 8 insertions, 0 deletions

diff --git a/UPDATING b/UPDATING
index 5e9d0e9..9066d25 100644
--- a/UPDATING
+++ b/UPDATING
@@ -22,6 +22,14 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 8.x IS SLOW:
 	to maximize performance.  (To disable malloc debugging, run
 	ln -s aj /etc/malloc.conf.)
 
+20080301:
+	The layout of struct vmspace has changed. This affects libkvm
+	and any executables that link against libkvm and use the
+	kvm_getprocs() function. In particular, but not exclusively,
+	it affects ps(1), fstat(1), pkill(1), systat(1), top(1) and w(1).
+	The effects are minimal, but it's advisable to upgrade world
+	nonetheless.
+
 20080229:
 	The latest em driver no longer has support in it for the
 	82575 adapter, this is now moved to the igb driver. The