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| author |   Colin Ian King <colin.king@canonical.com> | 2018-04-10 16:29:55 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-11 10:28:32 -0700 |
| commit | bfc6b1cabce28d46d2559855ca224992e14fede7 (patch) | |
| tree | 1216e6b682ebac8813daa996d7b6d93a2d58888d /mm | |
| parent | memcg: fix per_node_info cleanup (diff) | |
| download | wireguard-linux-bfc6b1cabce28d46d2559855ca224992e14fede7.tar.xz wireguard-linux-bfc6b1cabce28d46d2559855ca224992e14fede7.zip | |
mm/swapfile.c: make pointer swap_avail_heads static
The pointer swap_avail_heads is local to the source and does not need to
be in global scope, so make it static.
Cleans up sparse warning:
mm/swapfile.c:88:19: warning: symbol 'swap_avail_heads' was not declared. Should it be static?
Link: http://lkml.kernel.org/r/20180206215836.12366-1-colin.king@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: "Huang, Ying" <ying.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/swapfile.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index a134d1e86795..cc2cf04d9018 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -85,7 +85,7 @@ PLIST_HEAD(swap_active_head); * is held and the locking order requires swap_lock to be taken * before any swap_info_struct->lock. */ -struct plist_head *swap_avail_heads; +static struct plist_head *swap_avail_heads; static DEFINE_SPINLOCK(swap_avail_lock); struct swap_info_struct *swap_info[MAX_SWAPFILES]; |