tree 88fecfbed0eaf627e8e08a9e196d1d2849737f0a
parent efa90a981bbc891efad96db2a75b5487e00852ca
author Hugh Dickins <hugh.dickins@tiscali.co.uk> 1260842322 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1260895995 -0800

swap_info: include first_swap_extent

Make better use of the space by folding first swap_extent into its
swap_info_struct, instead of just the list_head: swap partitions need
only that one, and for others it's used as a circular list anyway.

[jirislaby@gmail.com: fix crash on double swapon]
Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>