MAINTAINERS: add additional mmap-related files to mmap section

msync and nommu are directly related to memory mapping, mincore is less so
but all are roughly speaking operating on virtual memory mappings from the
point of view of the user so this seems the most appropriate place for
them.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Lorenzo Stoakes <[email protected]>
Reviewed-by: Pedro Falcato <[email protected]>
Acked-by: Liam R. Howlett <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Jann Horn <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: lorenzo-stoakes

MAINTAINERS

@@ -15985,11 +15985,14 @@ S:	Maintained
 W:	http://www.linux-mm.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
 F:	include/trace/events/mmap.h
+F:	mm/mincore.c
 F:	mm/mlock.c
 F:	mm/mmap.c
 F:	mm/mprotect.c
 F:	mm/mremap.c
 F:	mm/mseal.c
+F:	mm/msync.c
+F:	mm/nommu.c
 F:	mm/vma.c
 F:	mm/vma.h
 F:	mm/vma_exec.c