Otherwise we get -EINVAL, instead of the more useful -E2BIG if the allocation doesn't fit within the pfn range, like with mappable lmem. The hugepages selftest, for example, needs this to know if a smaller size is needed. Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx> Cc: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> Acked-by: Nirmoy Das <nirmoy.das@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_ttm_buddy_manager.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c index 0ac6b2463fd5..92d49a3c378c 100644 --- a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c +++ b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c @@ -82,7 +82,7 @@ static int i915_ttm_buddy_man_alloc(struct ttm_resource_manager *man, lpfn = pages; } - if (size > mm->size) { + if (size > lpfn << PAGE_SHIFT) { err = -E2BIG; goto err_free_res; } -- 2.34.1