sys_swapon: move setting of swapfilepages near use
authorCesar Eduardo Barros <cesarb@cesarb.net>
Tue, 22 Mar 2011 23:33:28 +0000 (16:33 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 23 Mar 2011 00:44:07 +0000 (17:44 -0700)
commit5de771e41f0fc2243c39585357b73f0ff757b280
treea807bb46f4334b6697c0dba7dc80075e8dccae5f
parent87ade72a799a9a895b4a60918c32b43d3dfc3324
sys_swapon: move setting of swapfilepages near use

There is no reason I can see to read inode->i_size long before it is
needed. Move its read to just before it is needed, to reduce the
variable lifetime.

Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Tested-by: Eric B Munson <emunson@mgebm.net>
Acked-by: Eric B Munson <emunson@mgebm.net>
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/swapfile.c