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* [PATCH v4 0/2] TTM shrinker fragmentation / partial restore fixes
@ 2026-05-05  3:30 Matthew Brost
  2026-05-05  3:30 ` [PATCH v4 1/2] drm/ttm: Drop tt->restore after successful restore Matthew Brost
                   ` (5 more replies)
  0 siblings, 6 replies; 11+ messages in thread
From: Matthew Brost @ 2026-05-05  3:30 UTC (permalink / raw)
  To: intel-xe, dri-devel

Fix shrinker fragmentation / partial restore fixes. Related to [1],
continuation of [2] Patches have details.

Series working shrinker getting triggered in a loop plus the below error
injection:

cd /sys/kernel/debug/ttm/backup_fault_inject
echo 100 > probability
echo 3000 > interval
echo -1 > times
echo 0 > space
echo 0 > verbose
echo M > task-filter
cd -

Matt

[1] https://patchwork.freedesktop.org/series/165330/
[2] https://patchwork.freedesktop.org/series/165877/

v3:
 - Address sashiko concerns
v4:
 - Actual 'Save alloc in snapshot on restore failure (sashiko)' (missed
   local change)

Matthew Brost (2):
  drm/ttm: Drop tt->restore after successful restore
  drm/ttm/pool: back up at native page order

 drivers/gpu/drm/ttm/ttm_pool.c | 106 +++++++++++++++++++++++++++------
 1 file changed, 87 insertions(+), 19 deletions(-)

-- 
2.34.1


^ permalink raw reply	[flat|nested] 11+ messages in thread

end of thread, other threads:[~2026-05-05 17:37 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-05-05  3:30 [PATCH v4 0/2] TTM shrinker fragmentation / partial restore fixes Matthew Brost
2026-05-05  3:30 ` [PATCH v4 1/2] drm/ttm: Drop tt->restore after successful restore Matthew Brost
2026-05-05  7:04   ` Thomas Hellström
2026-05-05 17:35     ` Matthew Brost
2026-05-05  3:30 ` [PATCH v4 2/2] drm/ttm/pool: back up at native page order Matthew Brost
2026-05-05  9:02   ` Thomas Hellström
2026-05-05 17:36     ` Matthew Brost
2026-05-05  4:09 ` ✗ CI.checkpatch: warning for TTM shrinker fragmentation / partial restore fixes Patchwork
2026-05-05  4:10 ` ✓ CI.KUnit: success " Patchwork
2026-05-05  4:59 ` ✓ Xe.CI.BAT: " Patchwork
2026-05-05 10:46 ` ✗ Xe.CI.FULL: failure " Patchwork

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