diff options
| author | J. Bruce Fields <bfields@citi.umich.edu> | 2009-10-27 18:45:17 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-10-27 18:45:17 -0400 |
| commit | e343eb0d60f74547e0aeb5bd151105c2e6cfe588 (patch) | |
| tree | 92586df0daf3298262a957640e5c86679c963f41 /mm/swapfile.c | |
| parent | ddc04fd4d5163aee9ebdb38a56c365b602e2b7b7 (diff) | |
| parent | 012abeea669ea49636cf952d13298bb68654146a (diff) | |
Merge commit 'v2.6.32-rc5' into for-2.6.33
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 4de7f02f820..a1bc6b9af9a 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1974,12 +1974,14 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) goto bad_swap; } - if (blk_queue_nonrot(bdev_get_queue(p->bdev))) { - p->flags |= SWP_SOLIDSTATE; - p->cluster_next = 1 + (random32() % p->highest_bit); + if (p->bdev) { + if (blk_queue_nonrot(bdev_get_queue(p->bdev))) { + p->flags |= SWP_SOLIDSTATE; + p->cluster_next = 1 + (random32() % p->highest_bit); + } + if (discard_swap(p) == 0) + p->flags |= SWP_DISCARDABLE; } - if (discard_swap(p) == 0) - p->flags |= SWP_DISCARDABLE; mutex_lock(&swapon_mutex); spin_lock(&swap_lock); |