MAINTAINERS: mm: add entry for secretmem

Link: https://lkml.kernel.org/r/20250326215541.1809379-5-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Dan Willaims <dan.j.williams@intel.com>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Author: rppt

MAINTAINERS

@@ -15515,6 +15515,14 @@ F:	mm/numa.c
 F:	mm/numa_emulation.c
 F:	mm/numa_memblks.c
 
+MEMORY MANAGEMENT - SECRETMEM
+M:	Andrew Morton <akpm@linux-foundation.org>
+M:	Mike Rapoport <rppt@kernel.org>
+L:	linux-mm@kvack.org
+S:	Maintained
+F:	include/linux/secretmem.h
+F:	mm/secretmem.c
+
 MEMORY MANAGEMENT - USERFAULTFD
 M:	Andrew Morton <akpm@linux-foundation.org>
 R:	Peter Xu <peterx@redhat.com>