Re: [PATCH v2] drm/buddy: Fix the warn on's during force merge

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 17/05/2024 14:50, Arunpravin Paneer Selvam wrote:
Move the fallback and block incompatible checks
above, so that we dont unnecessarily split the blocks
and leaving the unmerged. This resolves the unnecessary
warn on's thrown during force_merge call.

v2:(Matthew)
   - Move the fallback and block incompatible checks above
     the contains check.

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@xxxxxxx>
Fixes: 96950929eb23 ("drm/buddy: Implement tracking clear page feature")
Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>

A follow up unit test to catch this edge case would be lovely.

---
  drivers/gpu/drm/drm_buddy.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c
index 1daf778cf6fa..94f8c34fc293 100644
--- a/drivers/gpu/drm/drm_buddy.c
+++ b/drivers/gpu/drm/drm_buddy.c
@@ -524,11 +524,11 @@ __alloc_range_bias(struct drm_buddy *mm,
  				continue;
  		}
+ if (!fallback && block_incompatible(block, flags))
+			continue;
+
  		if (contains(start, end, block_start, block_end) &&
  		    order == drm_buddy_block_order(block)) {
-			if (!fallback && block_incompatible(block, flags))
-				continue;
-
  			/*
  			 * Find the free block within the range.
  			 */



[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux