documentation: update how page-cluster affects swap I/O
authorChristian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Tue, 31 Jul 2012 23:41:46 +0000 (16:41 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 1 Aug 2012 01:42:39 +0000 (18:42 -0700)
commitdf858fa8276f85106f2f5c3cd49c1fa524058070
tree7fd01b6311ae03f9f2d2aec5c73280ec925b254f
parent3fb5c298b04eb6e472f8db1f0fb472749d30041c
documentation: update how page-cluster affects swap I/O

Fix of the documentation of /proc/sys/vm/page-cluster to match the
behavior of the code and add some comments about what the tunable will
change in that behavior.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Minchan Kim <minchan@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Documentation/sysctl/vm.txt