Andreas Kling e852a69a06 LibWeb: Make VM allocation atomic for kernel regions ...

Instead of first allocating the VM range, and then inserting a region
with that range into the MM region tree, we now do both things in a
single atomic operation:

    - RegionTree::place_anywhere(Region&, size, alignment)
    - RegionTree::place_specifically(Region&, address, size)

To reduce the number of things we do while locking the region tree,
we also require callers to provide a constructed Region object.

2022-04-03 21:51:58 +02:00

51 KiB

Raw Blame History

View Raw