NVIDIA/open-gpu-kernel-modules
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This commit is contained in:
Bernhard Stoeckner
2025-04-17 17:45:32 +02:00
parent 855c3c9d3c
commit f468568958
33 changed files with 641 additions and 199 deletions
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2
kernel-open/nvidia-uvm/uvm_linux.h
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@@ -226,7 +226,7 @@ static inline const struct cpumask *uvm_cpumask_of_node(int node)
#define __GFP_NORETRY 0
#endif
#define NV_UVM_GFP_FLAGS (GFP_KERNEL)
#define NV_UVM_GFP_FLAGS (GFP_KERNEL | __GFP_NOMEMALLOC)
// Develop builds define DEBUG but enable optimization
#if defined(DEBUG) && !defined(NVIDIA_UVM_DEVELOP)

6
kernel-open/nvidia-uvm/uvm_va_space_mm.c
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@@ -291,8 +291,12 @@ NV_STATUS uvm_va_space_mm_register(uvm_va_space_t *va_space)
// allocates memory which is attached to the mm_struct and freed
// when the mm_struct is freed.
ret = __mmu_notifier_register(NULL, current->mm);
if (ret)
if (ret) {
// Inform uvm_va_space_mm_unregister() that it has nothing to do.
uvm_mmdrop(va_space_mm->mm);
va_space_mm->mm = NULL;
return errno_to_nv_status(ret);
}
#else
UVM_ASSERT(0);
#endif