mm/zpool.c: zpool_evictable: fix mismatch in parameter name and kernel-doc

[akpm@linux-foundation.org: add colon, per Randy]
Link: http://lkml.kernel.org/r/1518116984-21141-1-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/zpool.c

@@ -360,7 +360,7 @@ u64 zpool_get_total_size(struct zpool *zpool)
 
 /**
  * zpool_evictable() - Test if zpool is potentially evictable
- * @pool	The zpool to test
+ * @zpool:	The zpool to test
  *
  * Zpool is only potentially evictable when it's created with struct
  * zpool_ops.evict and its driver implements struct zpool_driver.shrink.