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Use VM_ALLOC_NOBUSY to eliminate an unneeded vm_page_wakeup() call and the

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synchronization that one entails.
This commit is contained in:
alc 2004-10-24 07:31:07 +00:00
parent cda7dde7a1
commit f4bf87a056
2 changed files with 2 additions and 8 deletions
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5
sys/dev/agp/agp_i810.c
View File

@ -609,13 +609,10 @@ agp_i810_alloc_memory(device_t dev, int type, vm_size_t size)
vm_page_t m;
VM_OBJECT_LOCK(mem->am_obj);
m = vm_page_grab(mem->am_obj, 0,
m = vm_page_grab(mem->am_obj, 0, VM_ALLOC_NOBUSY |
VM_ALLOC_WIRED | VM_ALLOC_ZERO | VM_ALLOC_RETRY);
VM_OBJECT_UNLOCK(mem->am_obj);
vm_page_lock_queues();
mem->am_physical = VM_PAGE_TO_PHYS(m);
vm_page_wakeup(m);
vm_page_unlock_queues();
} else {
mem->am_physical = 0;
}

5
sys/pci/agp_i810.c
View File

@ -609,13 +609,10 @@ agp_i810_alloc_memory(device_t dev, int type, vm_size_t size)
vm_page_t m;
VM_OBJECT_LOCK(mem->am_obj);
m = vm_page_grab(mem->am_obj, 0,
m = vm_page_grab(mem->am_obj, 0, VM_ALLOC_NOBUSY |
VM_ALLOC_WIRED | VM_ALLOC_ZERO | VM_ALLOC_RETRY);
VM_OBJECT_UNLOCK(mem->am_obj);
vm_page_lock_queues();
mem->am_physical = VM_PAGE_TO_PHYS(m);
vm_page_wakeup(m);
vm_page_unlock_queues();
} else {
mem->am_physical = 0;
}