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| author | Hugh Dickins <hugh.dickins@tiscali.co.uk> | 2009-12-14 17:58:42 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-15 08:53:15 -0800 |
| commit | 9625a5f289f7c3c100b59c317e2bcc3c7e2e51fb (patch) | |
| tree | 88fecfbed0eaf627e8e08a9e196d1d2849737f0a /include/linux/swap.h | |
| parent | efa90a981bbc891efad96db2a75b5487e00852ca (diff) | |
| download | lwn-9625a5f289f7c3c100b59c317e2bcc3c7e2e51fb.tar.gz lwn-9625a5f289f7c3c100b59c317e2bcc3c7e2e51fb.zip | |
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>
Diffstat (limited to 'include/linux/swap.h')
| -rw-r--r-- | include/linux/swap.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index f1c248796fb8..109dfe794237 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -165,7 +165,7 @@ struct swap_info_struct { signed char next; /* next type on the swap list */ struct file *swap_file; struct block_device *bdev; - struct list_head extent_list; + struct swap_extent first_swap_extent; struct swap_extent *curr_swap_extent; unsigned short *swap_map; unsigned int lowest_bit; |