diff options
| author | Rob Clark <robdclark@chromium.org> | 2021-04-03 00:12:26 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-04-07 21:05:43 +0300 |
| commit | 25ed38b3ed26918b70c1392de7481809b5f5ba2d (patch) | |
| tree | ec9545e5b148a3712dae1fb628e31cd1e6ac359a /drivers/gpu/drm/msm/msm_gem.c | |
| parent | 528107c8e664a933b397a825f6e76c6d7dfa383b (diff) | |
| download | linux-25ed38b3ed26918b70c1392de7481809b5f5ba2d.tar.xz | |
drm/msm: Drop mm_lock in scan loop
lock_stat + mmm_donut[1] say that this reduces contention on mm_lock
significantly (~350x lower waittime-max, and ~100x lower waittime-avg)
[1] https://chromium.googlesource.com/chromiumos/platform/microbenchmarks/+/refs/heads/main/mmm_donut.py
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210402211226.875726-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index f146d9c5ba9c..4e91b095ab77 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -719,7 +719,7 @@ void msm_gem_purge(struct drm_gem_object *obj) put_iova_vmas(obj); msm_obj->madv = __MSM_MADV_PURGED; - mark_unpurgable(msm_obj); + update_inactive(msm_obj); drm_vma_node_unmap(&obj->vma_node, dev->anon_inode->i_mapping); drm_gem_free_mmap_offset(obj); |