[Intel-gfx] [PATCH 06/10] drm/i915: move gem_objects slab to direct module init/exit

[Daniel Vetter <daniel.vetter@ffwll.ch>]

With the global kmem_cache shrink infrastructure gone there's nothing
special and we can convert them over.

I'm doing this split up into each patch because there's quite a bit of
noise with removing the static global.slab_objects to just a
slab_objects.

Cc: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_object.c | 26 +++++++---------------
 drivers/gpu/drm/i915/gem/i915_gem_object.h |  3 +++
 drivers/gpu/drm/i915/i915_globals.c        |  1 -
 drivers/gpu/drm/i915/i915_globals.h        |  1 -
 drivers/gpu/drm/i915/i915_pci.c            |  1 +
 5 files changed, 12 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 5c21cff33199..53156250d283 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -30,14 +30,10 @@
 #include "i915_gem_context.h"
 #include "i915_gem_mman.h"
 #include "i915_gem_object.h"
-#include "i915_globals.h"
 #include "i915_memcpy.h"
 #include "i915_trace.h"
 
-static struct i915_global_object {
-	struct i915_global base;
-	struct kmem_cache *slab_objects;
-} global;
+struct kmem_cache *slab_objects;
 
 static const struct drm_gem_object_funcs i915_gem_object_funcs;
 
@@ -45,7 +41,7 @@ struct drm_i915_gem_object *i915_gem_object_alloc(void)
 {
 	struct drm_i915_gem_object *obj;
 
-	obj = kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
+	obj = kmem_cache_zalloc(slab_objects, GFP_KERNEL);
 	if (!obj)
 		return NULL;
 	obj->base.funcs = &i915_gem_object_funcs;
@@ -55,7 +51,7 @@ struct drm_i915_gem_object *i915_gem_object_alloc(void)
 
 void i915_gem_object_free(struct drm_i915_gem_object *obj)
 {
-	return kmem_cache_free(global.slab_objects, obj);
+	return kmem_cache_free(slab_objects, obj);
 }
 
 void i915_gem_object_init(struct drm_i915_gem_object *obj,
@@ -664,23 +660,17 @@ void i915_gem_init__objects(struct drm_i915_private *i915)
 	INIT_WORK(&i915->mm.free_work, __i915_gem_free_work);
 }
 
-static void i915_global_objects_exit(void)
+void i915_objects_module_exit(void)
 {
-	kmem_cache_destroy(global.slab_objects);
+	kmem_cache_destroy(slab_objects);
 }
 
-static struct i915_global_object global = { {
-	.exit = i915_global_objects_exit,
-} };
-
-int __init i915_global_objects_init(void)
+int __init i915_objects_module_init(void)
 {
-	global.slab_objects =
-		KMEM_CACHE(drm_i915_gem_object, SLAB_HWCACHE_ALIGN);
-	if (!global.slab_objects)
+	slab_objects = KMEM_CACHE(drm_i915_gem_object, SLAB_HWCACHE_ALIGN);
+	if (!slab_objects)
 		return -ENOMEM;
 
-	i915_global_register(&global.base);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index f3ede43282dc..6d8ea62a372f 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -48,6 +48,9 @@ static inline bool i915_gem_object_size_2big(u64 size)
 
 void i915_gem_init__objects(struct drm_i915_private *i915);
 
+void i915_objects_module_exit(void);
+int i915_objects_module_init(void);
+
 struct drm_i915_gem_object *i915_gem_object_alloc(void);
 void i915_gem_object_free(struct drm_i915_gem_object *obj);
 
diff --git a/drivers/gpu/drm/i915/i915_globals.c b/drivers/gpu/drm/i915/i915_globals.c
index dbb3d81eeea7..40a592fbc3e0 100644
--- a/drivers/gpu/drm/i915/i915_globals.c
+++ b/drivers/gpu/drm/i915/i915_globals.c
@@ -30,7 +30,6 @@ static void __i915_globals_cleanup(void)
 }
 
 static __initconst int (* const initfn[])(void) = {
-	i915_global_objects_init,
 	i915_global_request_init,
 	i915_global_scheduler_init,
 	i915_global_vma_init,
diff --git a/drivers/gpu/drm/i915/i915_globals.h b/drivers/gpu/drm/i915/i915_globals.h
index f16752dbbdbf..9734740708f4 100644
--- a/drivers/gpu/drm/i915/i915_globals.h
+++ b/drivers/gpu/drm/i915/i915_globals.h
@@ -23,7 +23,6 @@ int i915_globals_init(void);
 void i915_globals_exit(void);
 
 /* constructors */
-int i915_global_objects_init(void);
 int i915_global_request_init(void);
 int i915_global_scheduler_init(void);
 int i915_global_vma_init(void);
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 2b56e664d043..2334eb3e9abb 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -1301,6 +1301,7 @@ static const struct {
 	{ i915_buddy_module_init, i915_buddy_module_exit },
 	{ i915_context_module_init, i915_context_module_exit },
 	{ i915_gem_context_module_init, i915_gem_context_module_exit },
+	{ i915_objects_module_init, i915_objects_module_exit },
 	{ i915_globals_init, i915_globals_exit },
 	{ i915_mock_selftests, NULL },
 	{ i915_pmu_init, i915_pmu_exit },
-- 
2.32.0

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