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Show First 20 Lines • Show All 347 Lines • ▼ Show 20 Lines	if (addr + size > MAP_32BIT_MAX_ADDR)
addr = 0;		addr = 0;
#endif		#endif
} else {		} else {
/*		/*
* XXX for non-fixed mappings where no hint is provided or		* XXX for non-fixed mappings where no hint is provided or
* the hint would fall in the potential heap space,		* the hint would fall in the potential heap space,
* place it after the end of the largest possible heap.		* place it after the end of the largest possible heap.
*		*
* There should really be a pmap call to determine a reasonable		* For anonymous mappings within the address space of the
* location.		* calling process, the absence of a hint is handled at a
		* lower level in order to implement different clustering
		* strategies for ASLR.
*/		*/
if (addr == 0 \|\|		if (((flags & MAP_ANON) == 0 && addr == 0) \|\|
(addr >= round_page((vm_offset_t)vms->vm_taddr) &&		(addr >= round_page((vm_offset_t)vms->vm_taddr) &&
addr < round_page((vm_offset_t)vms->vm_daddr +		addr < round_page((vm_offset_t)vms->vm_daddr +
lim_max(td, RLIMIT_DATA))))		lim_max(td, RLIMIT_DATA))))
addr = round_page((vm_offset_t)vms->vm_daddr +		addr = round_page((vm_offset_t)vms->vm_daddr +
lim_max(td, RLIMIT_DATA));		lim_max(td, RLIMIT_DATA));
}		}
if (len == 0) {		if (len == 0) {
/*		/*
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