diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2023-03-15 14:31:27 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-06 05:42:45 +0300 |
| commit | 50c00d2c686e52c0dd9b5bddc6727f6c442cbcc0 (patch) | |
| tree | 355052d3d242459b3cc2305ee74f8f09d0f9625c /drivers | |
| parent | 5f29298fba1ad1e7139381e19e09c272db337b13 (diff) | |
| download | linux-50c00d2c686e52c0dd9b5bddc6727f6c442cbcc0.tar.xz | |
drm/i915: fix MAX_ORDER usage in i915_gem_object_get_pages_internal()
MAX_ORDER is not inclusive: the maximum allocation order buddy allocator
can deliver is MAX_ORDER-1.
Fix MAX_ORDER usage in i915_gem_object_get_pages_internal().
Link: https://lkml.kernel.org/r/20230315113133.11326-5-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_internal.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_internal.c b/drivers/gpu/drm/i915/gem/i915_gem_internal.c index 6bc26b4b06b8..eae9e9f6d3bf 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_internal.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_internal.c @@ -36,7 +36,7 @@ static int i915_gem_object_get_pages_internal(struct drm_i915_gem_object *obj) struct sg_table *st; struct scatterlist *sg; unsigned int npages; /* restricted by sg_alloc_table */ - int max_order = MAX_ORDER; + int max_order = MAX_ORDER - 1; unsigned int max_segment; gfp_t gfp; |