On Fri, Jul 27, 2001 at 08:23:37PM -0400, Zhihui Zhang wrote:
>
> I thought doing a memory free is always safe in an interrupt context. Now
> it seems doing an allocation of memory is safe too. Does MCLGET() call
> vm_page_alloc() or malloc() eventually? If so, it might block.
It never calls malloc(). Sometimes, although rarely, it may end up
in kmem_malloc() which calls vm_page_alloc(), but vm_page_alloc() should not
block as in this case it will be called with the VM_ALLOC_INTERRUPT flag.
> -Zhihui
--
Bosko Milekic
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