diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 5484f15b503b88f43c7afa8823e34e15968b0572..5eaa3967569068bdd1f2973d45a058ab9dbc8eb9 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -2321,7 +2321,8 @@ svm_range_best_restore_location(struct svm_range *prange, static int svm_range_get_range_boundaries(struct kfd_process *p, int64_t addr, - unsigned long *start, unsigned long *last) + unsigned long *start, unsigned long *last, + bool *is_heap_stack) { struct vm_area_struct *vma; struct interval_tree_node *node; @@ -2332,6 +2333,12 @@ svm_range_get_range_boundaries(struct kfd_process *p, int64_t addr, pr_debug("VMA does not exist in address [0x%llx]\n", addr); return -EFAULT; } + + *is_heap_stack = (vma->vm_start <= vma->vm_mm->brk && + vma->vm_end >= vma->vm_mm->start_brk) || + (vma->vm_start <= vma->vm_mm->start_stack && + vma->vm_end >= vma->vm_mm->start_stack); + start_limit = max(vma->vm_start >> PAGE_SHIFT, (unsigned long)ALIGN_DOWN(addr, 2UL << 8)); end_limit = min(vma->vm_end >> PAGE_SHIFT, @@ -2361,9 +2368,9 @@ svm_range_get_range_boundaries(struct kfd_process *p, int64_t addr, *start = start_limit; *last = end_limit - 1; - pr_debug("vma start: 0x%lx start: 0x%lx vma end: 0x%lx last: 0x%lx\n", - vma->vm_start >> PAGE_SHIFT, *start, - vma->vm_end >> PAGE_SHIFT, *last); + pr_debug("vma [0x%lx 0x%lx] range [0x%lx 0x%lx] is_heap_stack %d\n", + vma->vm_start >> PAGE_SHIFT, vma->vm_end >> PAGE_SHIFT, + *start, *last, *is_heap_stack); return 0; } @@ -2428,11 +2435,13 @@ svm_range *svm_range_create_unregistered_range(struct amdgpu_device *adev, struct svm_range *prange = NULL; unsigned long start, last; uint32_t gpuid, gpuidx; + bool is_heap_stack; uint64_t bo_s = 0; uint64_t bo_l = 0; int r; - if (svm_range_get_range_boundaries(p, addr, &start, &last)) + if (svm_range_get_range_boundaries(p, addr, &start, &last, + &is_heap_stack)) return NULL; r = svm_range_check_vm(p, start, last, &bo_s, &bo_l); @@ -2459,6 +2468,9 @@ svm_range *svm_range_create_unregistered_range(struct amdgpu_device *adev, return NULL; } + if (is_heap_stack) + prange->preferred_loc = KFD_IOCTL_SVM_LOCATION_SYSMEM; + svm_range_add_to_svms(prange); svm_range_add_notifier_locked(mm, prange);