[PATCH 4/5] amdgpu: add support for memcg integration
Dave Airlie
airlied at gmail.com
Fri May 2 03:36:03 UTC 2025
From: Dave Airlie <airlied at redhat.com>
This adds the memcg object for any user allocated object,
and adds account_op to necessary paths which might populate
a tt object.
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 7 ++++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 2 ++
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 14 +++++++++++---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 1 +
4 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 82df06a72ee0..1a275224b4a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -787,6 +787,7 @@ static int amdgpu_cs_bo_validate(void *param, struct amdgpu_bo *bo)
struct ttm_operation_ctx ctx = {
.interruptible = true,
.no_wait_gpu = false,
+ .account_op = true,
.resv = bo->tbo.base.resv
};
uint32_t domain;
@@ -839,7 +840,11 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
union drm_amdgpu_cs *cs)
{
struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
- struct ttm_operation_ctx ctx = { true, false };
+ struct ttm_operation_ctx ctx = {
+ .interruptible = true,
+ .no_wait_gpu = false,
+ .account_op = true,
+ };
struct amdgpu_vm *vm = &fpriv->vm;
struct amdgpu_bo_list_entry *e;
struct drm_gem_object *obj;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 69429df09477..bdad9a862ed3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -89,6 +89,7 @@ static void amdgpu_gem_object_free(struct drm_gem_object *gobj)
struct amdgpu_bo *aobj = gem_to_amdgpu_bo(gobj);
amdgpu_hmm_unregister(aobj);
+ mem_cgroup_put(aobj->tbo.memcg);
ttm_bo_put(&aobj->tbo);
}
@@ -116,6 +117,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
bp.domain = initial_domain;
bp.bo_ptr_size = sizeof(struct amdgpu_bo);
bp.xcp_id_plus1 = xcp_id_plus1;
+ bp.memcg = get_mem_cgroup_from_mm(current->mm);
r = amdgpu_bo_create_user(adev, &bp, &ubo);
if (r)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 0b9987781f76..777cf05ebac8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -632,6 +632,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
struct ttm_operation_ctx ctx = {
.interruptible = (bp->type != ttm_bo_type_kernel),
.no_wait_gpu = bp->no_wait_gpu,
+ .account_op = true,
/* We opt to avoid OOM on system pages allocations */
.gfp_retry_mayfail = true,
.allow_res_evict = bp->type != ttm_bo_type_kernel,
@@ -657,16 +658,21 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
size = ALIGN(size, PAGE_SIZE);
}
- if (!amdgpu_bo_validate_size(adev, size, bp->domain))
+ if (!amdgpu_bo_validate_size(adev, size, bp->domain)) {
+ mem_cgroup_put(bp->memcg);
return -ENOMEM;
+ }
BUG_ON(bp->bo_ptr_size < sizeof(struct amdgpu_bo));
*bo_ptr = NULL;
bo = kvzalloc(bp->bo_ptr_size, GFP_KERNEL);
- if (bo == NULL)
+ if (bo == NULL) {
+ mem_cgroup_put(bp->memcg);
return -ENOMEM;
+ }
drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size);
+ bo->tbo.memcg = bp->memcg;
bo->tbo.base.funcs = &amdgpu_gem_object_funcs;
bo->vm_bo = NULL;
bo->preferred_domains = bp->preferred_domain ? bp->preferred_domain :
@@ -1341,7 +1347,9 @@ void amdgpu_bo_release_notify(struct ttm_buffer_object *bo)
vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
- struct ttm_operation_ctx ctx = { false, false };
+ struct ttm_operation_ctx ctx = { .interruptible = false,
+ .no_wait_gpu = false,
+ .account_op = true };
struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo);
int r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 375448627f7b..9a4c506cfb76 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -55,6 +55,7 @@ struct amdgpu_bo_param {
enum ttm_bo_type type;
bool no_wait_gpu;
struct dma_resv *resv;
+ struct mem_cgroup *memcg;
void (*destroy)(struct ttm_buffer_object *bo);
/* xcp partition number plus 1, 0 means any partition */
int8_t xcp_id_plus1;
--
2.49.0
More information about the dri-devel
mailing list