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This commit is contained in:
Maneet Singh
2025-06-16 19:28:19 -07:00
parent 30e15d79de
commit fade1f7b20
35 changed files with 50249 additions and 49935 deletions
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21
kernel-open/common/inc/nv-mm.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: Copyright (c) 2016-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-FileCopyrightText: Copyright (c) 2016-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -297,9 +297,21 @@ static inline struct rw_semaphore *nv_mmap_get_lock(struct mm_struct *mm)
#endif
}
#define NV_CAN_CALL_VMA_START_WRITE 1
#if !NV_CAN_CALL_VMA_START_WRITE
/*
* Commit 45ad9f5290dc updated vma_start_write() to call __vma_start_write().
*/
void nv_vma_start_write(struct vm_area_struct *);
#endif
static inline void nv_vm_flags_set(struct vm_area_struct *vma, vm_flags_t flags)
{
#if defined(NV_VM_AREA_STRUCT_HAS_CONST_VM_FLAGS)
#if !NV_CAN_CALL_VMA_START_WRITE
nv_vma_start_write(vma);
ACCESS_PRIVATE(vma, __vm_flags) |= flags;
#elif defined(NV_VM_AREA_STRUCT_HAS_CONST_VM_FLAGS)
vm_flags_set(vma, flags);
#else
vma->vm_flags |= flags;
@@ -308,7 +320,10 @@ static inline void nv_vm_flags_set(struct vm_area_struct *vma, vm_flags_t flags)
static inline void nv_vm_flags_clear(struct vm_area_struct *vma, vm_flags_t flags)
{
#if defined(NV_VM_AREA_STRUCT_HAS_CONST_VM_FLAGS)
#if !NV_CAN_CALL_VMA_START_WRITE
nv_vma_start_write(vma);
ACCESS_PRIVATE(vma, __vm_flags) &= ~flags;
#elif defined(NV_VM_AREA_STRUCT_HAS_CONST_VM_FLAGS)
vm_flags_clear(vma, flags);
#else
vma->vm_flags &= ~flags;