Alan Cox a15700fe32 Make vm_page_alloc() return PG_ZERO only if VM_ALLOC_ZERO is specified.
The objective being to eliminate some cases of page queues locking.
(See, for example, vm/vm_fault.c revision 1.160.)

Reviewed by:	tegge

(Also, pointed out by tegge that I changed vm_fault.c before changing
vm_page.c.  Oops.)
2003-01-12 23:32:46 +00:00
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