Docs/admin-guide/mm/damon/start: update DAMOS example command

DAMON user-space tool, damo, has deprecated[1] its old DAMOS schemes
specification format.  However, an example of DAMON documentation is still
using it.  Update the example to use one of the alternative options.

[1] awslabs/damo@e9950ae68f6c

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: SeongJae Park <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: sjp38

Documentation/admin-guide/mm/damon/start.rst

@@ -119,9 +119,9 @@ set size has chronologically changed.::
 Data Access Pattern Aware Memory Management
 ===========================================
 
-Below three commands make every memory region of size >=4K that doesn't
-accessed for >=60 seconds in your workload to be swapped out. ::
+Below command makes every memory region of size >=4K that has not accessed for
+>=60 seconds in your workload to be swapped out. ::
 
-    $ echo "#min-size max-size min-acc max-acc min-age max-age action" > test_scheme
-    $ echo "4K        max      0       0       60s     max     pageout" >> test_scheme
-    $ damo schemes -c test_scheme <pid of your workload>
+    $ sudo damo schemes --damos_access_rate 0 0 --damos_sz_region 4K max \
+                        --damos_age 60s max --damos_action pageout \
+                        <pid of your workload>