Differential D20486 Diff 58629 sys/contrib/vchiq/interface/vchiq_arm/vchiq_2835_arm.c

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	/*			/*
	* Local functions			* Local functions
	*/			*/

	static void			static void
	pagelist_page_free(vm_page_t pp)			pagelist_page_free(vm_page_t pp)
	{			{
	vm_page_lock(pp);			vm_page_lock(pp);
	if (vm_page_unwire(pp, PQ_INACTIVE) && pp->object == NULL)			vm_page_unwire(pp, PQ_INACTIVE);
	vm_page_free(pp);
	vm_page_unlock(pp);			vm_page_unlock(pp);
	}			}

	/* There is a potential problem with partial cache lines (pages?)			/* There is a potential problem with partial cache lines (pages?)
	** at the ends of the block when reading. If the CPU accessed anything in			** at the ends of the block when reading. If the CPU accessed anything in
	** the same line (page?) then it may have pulled old data into the cache,			** the same line (page?) then it may have pulled old data into the cache,
	** obscuring the new data underneath. We can solve this by transferring the			** obscuring the new data underneath. We can solve this by transferring the
	** partial cache lines separately, and allowing the ARM to copy into the			** partial cache lines separately, and allowing the ARM to copy into the
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