Re: [PATCH v10 04/11] drm/shmem: Put booleans in the end of struct drm_gem_shmem_object

From: Thomas Zimmermann
Date: Fri Feb 17 2023 - 07:25:08 EST




Am 08.01.23 um 22:04 schrieb Dmitry Osipenko:
Group all 1-bit boolean members of struct drm_gem_shmem_object in the end
of the structure, allowing compiler to pack data better and making code to
look more consistent.

Suggested-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>

Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>

---
include/drm/drm_gem_shmem_helper.h | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index a2201b2488c5..5994fed5e327 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -60,20 +60,6 @@ struct drm_gem_shmem_object {
*/
struct list_head madv_list;
- /**
- * @pages_mark_dirty_on_put:
- *
- * Mark pages as dirty when they are put.
- */
- unsigned int pages_mark_dirty_on_put : 1;
-
- /**
- * @pages_mark_accessed_on_put:
- *
- * Mark pages as accessed when they are put.
- */
- unsigned int pages_mark_accessed_on_put : 1;
-
/**
* @sgt: Scatter/gather table for imported PRIME buffers
*/
@@ -97,10 +83,24 @@ struct drm_gem_shmem_object {
*/
unsigned int vmap_use_count;
+ /**
+ * @pages_mark_dirty_on_put:
+ *
+ * Mark pages as dirty when they are put.
+ */
+ bool pages_mark_dirty_on_put : 1;
+
+ /**
+ * @pages_mark_accessed_on_put:
+ *
+ * Mark pages as accessed when they are put.
+ */
+ bool pages_mark_accessed_on_put : 1;
+
/**
* @map_wc: map object write-combined (instead of using shmem defaults).
*/
- bool map_wc;
+ bool map_wc : 1;
};
#define to_drm_gem_shmem_obj(obj) \

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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