This commit documents the user space support of the newly added monitoring
operations set for fixed virtual address ranges monitoring, namely
'fvaddr', on the ABI and usage documents for DAMON.

Link: https://lkml.kernel.org/r/20220426231750.48822-4-sj@kernel.orgSigned-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>