Messages in this thread |  | | Date | Sun, 9 Dec 2001 18:43:57 +0100 (CET) | From | Ingo Molnar <> | Subject | Re: kmem_cache_alloc & kernel_lock |
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On Sun, 9 Dec 2001, Frank Cornelis wrote:
> Can I use kmem_cache_alloc(mycache_cachep, SLAB_KERNEL) within a > kernel_lock/kernel_unlock block? Or should it be SLAB_ATOMIC?
kernel_lock/kernel_unlock is not a spinlock in the classic Linux sense. It's automatically undone on scheduling, so you can hold it while rescheduling, and it will be automatically re-acquired once the process gets runnable again.
Ingo
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