MAINTAINERS: add zswap and zbud maintainer

Add maintainer information for zswap and zbud into the MAINTAINERS file.
Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -9263,6 +9263,13 @@ F:	Documentation/networking/z8530drv.txt
 F:	drivers/net/hamradio/*scc.c
 F:	drivers/net/hamradio/z8530.h
 
+ZBUD COMPRESSED PAGE ALLOCATOR
+M:	Seth Jennings <sjenning@linux.vnet.ibm.com>
+L:	linux-mm@kvack.org
+S:	Maintained
+F:	mm/zbud.c
+F:	include/linux/zbud.h
+
 ZD1211RW WIRELESS DRIVER
 M:	Daniel Drake <dsd@gentoo.org>
 M:	Ulrich Kunitz <kune@deine-taler.de>
@@ -9285,6 +9292,12 @@ M:	"Maciej W. Rozycki" <macro@linux-mips.org>
 S:	Maintained
 F:	drivers/tty/serial/zs.*
 
+ZSWAP COMPRESSED SWAP CACHING
+M:	Seth Jennings <sjenning@linux.vnet.ibm.com>
+L:	linux-mm@kvack.org
+S:	Maintained
+F:	mm/zswap.c
+
 THE REST
 M:	Linus Torvalds <torvalds@linux-foundation.org>
 L:	linux-kernel@vger.kernel.org