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Lines 95-101
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| 95 |
For example, when a thread wants to access or update page contents |
95 |
For example, when a thread wants to access or update page contents |
| 96 |
without a lock held the page is shared busied. |
96 |
without a lock held the page is shared busied. |
| 97 |
.Pp |
97 |
.Pp |
| 98 |
Before busing a page the vm_object lock must be held. |
98 |
Before busying a page the vm_object lock must be held. |
| 99 |
The same rule applies when a page is unbusied. |
99 |
The same rule applies when a page is unbusied. |
| 100 |
This makes the vm_object lock a real busy interlock. |
100 |
This makes the vm_object lock a real busy interlock. |
| 101 |
.Pp |
101 |
.Pp |