Function vm_page_trybusy

freebsd/vm/vm_page.c:838–846

* vm_page_trybusy * * Helper routine for grab functions to trylock busy. * * Returns true on success and false on failure. */

 *	Returns true on success and false on failure.
 */
static bool
vm_page_trybusy(vm_page_t m, int allocflags)
{

	if ((allocflags & (VM_ALLOC_SBUSY | VM_ALLOC_IGN_SBUSY)) != 0)
		return (vm_page_trysbusy(m));
	else
		return (vm_page_tryxbusy(m));
}

/*
 *	vm_page_tryacquire