tweak vm.rst, per Mike
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Charan Teja Reddy <charante@codeaurora.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kees Cook <keescook@chromium.org>
Cc: Khalid Aziz <khalid.aziz@oracle.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Nitin Gupta <nigupta@nvidia.com>
Cc: Vinayak Menon <vinmenon@codeaurora.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
This tunable takes a value in the range [0, 100] with a default value of
20. This tunable determines how aggressively compaction is done in the
-background. On write of non zero value to this tunable will immediately
+background. Write of a non zero value to this tunable will immediately
trigger the proactive compaction. Setting it to 0 disables proactive compaction.
Note that compaction has a non-trivial system-wide impact as pages