.
Signed-off-by: xinhui pan
---
change from v5:
reworked
---
drivers/gpu/drm/drm_buddy.c | 161 ++--
1 file changed, 154 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c
index 11bb59399471..6c795e1b3247 100644
--- a
+1 or 0+1+2+0 or 0+2+1+0.
Without this patch, eviction is the final step to cleanup memory.
Now there is a chance to delay the evction and then reduce the total
count of evction.
Signed-off-by: xinhui pan
---
change from v4:
Fix offset check by using <= instead of <
Change patch descr
this patch aims to implement the rest cases.
Adding a new member leaf_link which links all leaf blocks in asceding
order. Now we can find more than 2 sub-order blocks easier.
Say, order 4 can be combined with corresponding order 4, 2+2, 1+2+1,
0+1+2+0, 0+2+1+0.
Signed-off-by: xinhui pan
