Dear Arunpravin,

Am 21.03.22 um 06:59 schrieb Arunpravin Paneer Selvam:

add a simple check to reject any size not aligned to the min_page_size.

Nit: I’d start sentences with a capital letter.

Could you please add a summary of the discussion to the commit message, so the question “Why?” is answered?

Kind regards,

Paul

Signed-off-by: Arunpravin Paneer Selvam Arunpravin.PaneerSelvam@amd.com

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

diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c index 72f52f293249..b503c88786b0 100644 --- a/drivers/gpu/drm/drm_buddy.c +++ b/drivers/gpu/drm/drm_buddy.c @@ -661,6 +661,9 @@ int drm_buddy_alloc_blocks(struct drm_buddy *mm, if (range_overflows(start, size, mm->size)) return -EINVAL;

• if (WARN_ON(!IS_ALIGNED(size, min_page_size)))

• return -EINVAL;
  

• /* Actual range allocation */ if (start + size == end) return __drm_buddy_alloc_range(mm, start, size, blocks);