From: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Date: Tue, 15 Dec 2009 01:58:42 +0000 (-0800)
Subject: swap_info: include first_swap_extent
X-Git-Tag: v2.6.33-rc1~241
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9625a5f289f7c3c100b59c317e2bcc3c7e2e51fb;p=pandora-kernel.git

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>
---

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