K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2020-08-12T16:08:44.973875Z
K 7
svn:log
V 420
linprocfs: Fix some inaccuracies in meminfo.

- Fill out MemFree correctly.  Delete an ancient comment suggesting that
  we don't want to advertise the true quantity of free memory.
- Populate the Buffers field by reading vfs.bufspace.
- The page cache consists of all pages in page queues, not just the
  inactive queue.

PR:		248463
Reported and tested by:	danfe
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation

END