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Use vm_page_hold() rather than vm_page_wire() for short-duration page

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wiring.  The reason being that vm_page_hold() is cheaper.
This commit is contained in:
Alan Cox 2004-04-11 19:57:11 +00:00
parent 7134a2219c
commit 148b3f62a9
1 changed files with 2 additions and 2 deletions
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4
sys/kern/kern_exec.c
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@ -795,7 +795,7 @@ exec_map_first_page(imgp)
}
}
vm_page_lock_queues();
vm_page_wire(ma[0]);
vm_page_hold(ma[0]);
vm_page_wakeup(ma[0]);
vm_page_unlock_queues();
VM_OBJECT_UNLOCK(object);
@ -814,7 +814,7 @@ exec_unmap_first_page(imgp)
if (imgp->firstpage != NULL) {
pmap_qremove((vm_offset_t)imgp->image_header, 1);
vm_page_lock_queues();
vm_page_unwire(imgp->firstpage, 1);
vm_page_unhold(imgp->firstpage);
vm_page_unlock_queues();
imgp->firstpage = NULL;
}