mirror of
https://github.com/torvalds/linux.git
synced 2026-09-19 00:58:02 +02:00
369cc88049
Some compute applications may try to allocate device memory to probe how much device memory is actually available, assuming that the application will be the only one running on the particular GPU. That strategy fails in fault mode since it allows VM overcommit. While this could be resolved in user-space it's further complicated by cgroups potentially restricting the amount of memory available to the application. Introduce a vm create flag, DRM_XE_VM_CREATE_NO_VM_OVERCOMMIT, that allows fault mode to mimic the behaviour of !fault mode WRT this. It blocks evicting same vm bos during VM_BIND processing. However, it does *not* block evicting same-vm bos during pagefault processing, preferring eviction rather than VM banning in OOM situations. Cc: John Falkowski <john.falkowski@intel.com> Cc: Michal Mrozek <michal.mrozek@intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260204153320.17989-1-thomas.hellstrom@linux.intel.com |
||
|---|---|---|
| .. | ||
| asm-generic | ||
| cxl | ||
| drm | ||
| fwctl | ||
| linux | ||
| misc | ||
| mtd | ||
| rdma | ||
| regulator | ||
| scsi | ||
| sound | ||
| video | ||
| xen | ||
| Kbuild | ||