Linux 7.3 queues VRAM overcommitment stability changes

Kernel patches intended to improve GPU behavior when applications overcommit video memory have been merged upstream and queued for Linux 7.3, according to their author. The work addresses failures during command submission when GPU allocations must be moved between VRAM and system memory. The author describes changes to locking and memory-placement handling intended to avoid out-of-memory errors caused by submission-time eviction conflicts. The changes cannot remove the performance cost of accessing evicted data through PCIe: on a PCIe 4.0 x16 connection, the source estimates that more than roughly 1 GiB fetched in a frame makes 30 frames per second unattainable.