diff options
| author | alc <alc@FreeBSD.org> | 2003-06-26 03:14:40 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2003-06-26 03:14:40 +0000 |
| commit | 5cfe94b87517f83e86412e52ecfa3239af0f9d1c (patch) | |
| tree | b5e0a56600c77a3d66a7cb7060f84e04cd76b27b /sys/vm | |
| parent | f5eb833dbfc4fa84a845c743f3e7cd12f0c20395 (diff) | |
| download | FreeBSD-src-5cfe94b87517f83e86412e52ecfa3239af0f9d1c.zip FreeBSD-src-5cfe94b87517f83e86412e52ecfa3239af0f9d1c.tar.gz | |
Modify vm_pageq_requeue() to handle a PQ_NONE page without dereferencing
a NULL pointer; remove some now unused code.
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vm_pageq.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/sys/vm/vm_pageq.c b/sys/vm/vm_pageq.c index bca21fb..475616e 100644 --- a/sys/vm/vm_pageq.c +++ b/sys/vm/vm_pageq.c @@ -46,26 +46,17 @@ vm_pageq_init(void) } } -static __inline struct vpgqueues * -vm_pageq_aquire(int queue) -{ - struct vpgqueues *vpq = NULL; - - if (queue != PQ_NONE) { - vpq = &vm_page_queues[queue]; - } - return (vpq); -} - void vm_pageq_requeue(vm_page_t m) { int queue = m->queue; struct vpgqueues *vpq; - vpq = vm_pageq_aquire(queue); - TAILQ_REMOVE(&vpq->pl, m, pageq); - TAILQ_INSERT_TAIL(&vpq->pl, m, pageq); + if (queue != PQ_NONE) { + vpq = &vm_page_queues[queue]; + TAILQ_REMOVE(&vpq->pl, m, pageq); + TAILQ_INSERT_TAIL(&vpq->pl, m, pageq); + } } /* |
