drm/ttm: Be more aggressive when allocating below protection limit

Browse source

When the cgroup's memory usage is below the low/min limit and allocation
fails, try evicting some unprotected buffers to make space. Otherwise,
application buffers may be forced to go into GTT even though usage is
below the corresponding low/min limit, if other applications filled VRAM
with their allocations first.

Reviewed-by: Maarten Lankhorst <dev@lankhorst.se>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
Link: https://patch.msgid.link/20260804-dmemcg-aggressive-protect-v8-5-07af96681bf8@gmx.de

...

This commit is contained in:

Natalie Vock 2026-08-04 10:25:20 +02:00 • committed by Natalie Vock

parent 4e6d9bc158

commit bbc744c062

1 changed files with 50 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

53

drivers/gpu/drm/ttm/ttm_bo.c

View file