zsmalloc: add comments for ->inuse to zspage
zsmalloc: add comments for ->inuse to zspage

[5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org: fix grammar]
Signed-off-by: Hui Zhu <5cfda7752f2f29ca7a13bd8f5c17b69f4411517f@xiaomi.com>
Reviewed-by: Sergey Senozhatsky <d9c384f6b6e27869ff3b53bd225c29030ac4166b@gmail.com>
Cc: Dan Streetman <9cf7b61c8faa5cbb1bbe4dcb6838d42eed5e6946@ieee.org>
Cc: Minchan Kim <eee62f459f15dcddf87a8df69e8328e2a2562028@kernel.org>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs