mm: replace vma->vm_flags direct modifications with modifier calls

Replace direct modifications to vma->vm_flags with calls to modifier functions to be able to track flag changes and to keep vma locking correctness. [[email protected]: fix drivers/misc/open-dice.c, per Hyeonggon Yoo] Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Suren Baghdasaryan <[email protected]> Acked-by: Michal Hocko <[email protected]> Acked-by: Mel Gorman <[email protected]> Acked-by: Mike Rapoport (IBM) <[email protected]> Acked-by: Sebastian Reichel <[email protected]> Reviewed-by: Liam R. Howlett <[email protected]> Reviewed-by: Hyeonggon Yoo <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Arjun Roy <[email protected]> Cc: Axel Rasmussen <[email protected]> Cc: David Hildenbrand <[email protected]> Cc: David Howells <[email protected]> Cc: Davidlohr Bueso <[email protected]> Cc: David Rientjes <[email protected]> Cc: Eric Dumazet <[email protected]> Cc: Greg Thelen <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jann Horn <[email protected]> Cc: Joel Fernandes <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Kent Overstreet <[email protected]> Cc: Laurent Dufour <[email protected]> Cc: Lorenzo Stoakes <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Peter Oskolkov <[email protected]> Cc: Peter Xu <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Punit Agrawal <[email protected]> Cc: Sebastian Andrzej Siewior <[email protected]> Cc: Shakeel Butt <[email protected]> Cc: Soheil Hassas Yeganeh <[email protected]> Cc: Song Liu <[email protected]> Cc: Vlastimil Babka <[email protected]> Cc: Will Deacon <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
sedwards · Feb 10, 2023 · 1c71222 · 1c71222
1 parent e430a95
commit 1c71222
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Showing 120 changed files with 188 additions and 199 deletions.
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
@@ -316,7 +316,7 @@ static int __init gate_vma_init(void)
 	gate_vma.vm_page_prot = PAGE_READONLY_EXEC;
 	gate_vma.vm_start = 0xffff0000;
 	gate_vma.vm_end	= 0xffff0000 + PAGE_SIZE;
-	gate_vma.vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC;
+	vm_flags_init(&gate_vma, VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC);
 	return 0;
 }
 arch_initcall(gate_vma_init);

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
@@ -109,7 +109,7 @@ ia64_init_addr_space (void)
 		vma_set_anonymous(vma);
 		vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
 		vma->vm_end = vma->vm_start + PAGE_SIZE;
-		vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT;
+		vm_flags_init(vma, VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT);
 		vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
 		mmap_write_lock(current->mm);
 		if (insert_vm_struct(current->mm, vma)) {
@@ -127,8 +127,8 @@ ia64_init_addr_space (void)
 			vma_set_anonymous(vma);
 			vma->vm_end = PAGE_SIZE;
 			vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT);
-			vma->vm_flags = VM_READ | VM_MAYREAD | VM_IO |
-					VM_DONTEXPAND | VM_DONTDUMP;
+			vm_flags_init(vma, VM_READ | VM_MAYREAD | VM_IO |
+				      VM_DONTEXPAND | VM_DONTDUMP);
 			mmap_write_lock(current->mm);
 			if (insert_vm_struct(current->mm, vma)) {
 				mmap_write_unlock(current->mm);
@@ -272,7 +272,7 @@ static int __init gate_vma_init(void)
 	vma_init(&gate_vma, NULL);
 	gate_vma.vm_start = FIXADDR_USER_START;
 	gate_vma.vm_end = FIXADDR_USER_END;
-	gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
+	vm_flags_init(&gate_vma, VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC);
 	gate_vma.vm_page_prot = __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX);
 
 	return 0;

diff --git a/arch/loongarch/include/asm/tlb.h b/arch/loongarch/include/asm/tlb.h
@@ -149,7 +149,7 @@ static inline void tlb_flush(struct mmu_gather *tlb)
 	struct vm_area_struct vma;
 
 	vma.vm_mm = tlb->mm;
-	vma.vm_flags = 0;
+	vm_flags_init(&vma, 0);
 	if (tlb->fullmm) {
 		flush_tlb_mm(tlb->mm);
 		return;

diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c
@@ -324,7 +324,7 @@ static int kvmppc_xive_native_mmap(struct kvm_device *dev,
 		return -EINVAL;
 	}
 
-	vma->vm_flags |= VM_IO | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP);
 	vma->vm_page_prot = pgprot_noncached_wc(vma->vm_page_prot);
 
 	/*

diff --git a/arch/powerpc/mm/book3s64/subpage_prot.c b/arch/powerpc/mm/book3s64/subpage_prot.c
@@ -156,7 +156,7 @@ static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
 	 * VM_NOHUGEPAGE and split them.
 	 */
 	for_each_vma_range(vmi, vma, addr + len) {
-		vma->vm_flags |= VM_NOHUGEPAGE;
+		vm_flags_set(vma, VM_NOHUGEPAGE);
 		walk_page_vma(vma, &subpage_walk_ops, NULL);
 	}
 }

diff --git a/arch/powerpc/platforms/book3s/vas-api.c b/arch/powerpc/platforms/book3s/vas-api.c
@@ -525,7 +525,7 @@ static int coproc_mmap(struct file *fp, struct vm_area_struct *vma)
 	pfn = paste_addr >> PAGE_SHIFT;
 
 	/* flags, page_prot from cxl_mmap(), except we want cachable */
-	vma->vm_flags |= VM_IO | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP);
 	vma->vm_page_prot = pgprot_cached(vma->vm_page_prot);
 
 	prot = __pgprot(pgprot_val(vma->vm_page_prot) | _PAGE_DIRTY);

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
@@ -291,7 +291,7 @@ static int spufs_mem_mmap(struct file *file, struct vm_area_struct *vma)
 	if (!(vma->vm_flags & VM_SHARED))
 		return -EINVAL;
 
-	vma->vm_flags |= VM_IO | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP);
 	vma->vm_page_prot = pgprot_noncached_wc(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_mem_mmap_vmops;
@@ -381,7 +381,7 @@ static int spufs_cntl_mmap(struct file *file, struct vm_area_struct *vma)
 	if (!(vma->vm_flags & VM_SHARED))
 		return -EINVAL;
 
-	vma->vm_flags |= VM_IO | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP);
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_cntl_mmap_vmops;
@@ -1043,7 +1043,7 @@ static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma)
 	if (!(vma->vm_flags & VM_SHARED))
 		return -EINVAL;
 
-	vma->vm_flags |= VM_IO | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP);
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_signal1_mmap_vmops;
@@ -1179,7 +1179,7 @@ static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma)
 	if (!(vma->vm_flags & VM_SHARED))
 		return -EINVAL;
 
-	vma->vm_flags |= VM_IO | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP);
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_signal2_mmap_vmops;
@@ -1302,7 +1302,7 @@ static int spufs_mss_mmap(struct file *file, struct vm_area_struct *vma)
 	if (!(vma->vm_flags & VM_SHARED))
 		return -EINVAL;
 
-	vma->vm_flags |= VM_IO | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP);
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_mss_mmap_vmops;
@@ -1364,7 +1364,7 @@ static int spufs_psmap_mmap(struct file *file, struct vm_area_struct *vma)
 	if (!(vma->vm_flags & VM_SHARED))
 		return -EINVAL;
 
-	vma->vm_flags |= VM_IO | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP);
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_psmap_mmap_vmops;
@@ -1424,7 +1424,7 @@ static int spufs_mfc_mmap(struct file *file, struct vm_area_struct *vma)
 	if (!(vma->vm_flags & VM_SHARED))
 		return -EINVAL;
 
-	vma->vm_flags |= VM_IO | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP);
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_mfc_mmap_vmops;

diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
@@ -2522,8 +2522,7 @@ static inline void thp_split_mm(struct mm_struct *mm)
 	VMA_ITERATOR(vmi, mm, 0);
 
 	for_each_vma(vmi, vma) {
-		vma->vm_flags &= ~VM_HUGEPAGE;
-		vma->vm_flags |= VM_NOHUGEPAGE;
+		vm_flags_mod(vma, VM_NOHUGEPAGE, VM_HUGEPAGE);
 		walk_page_vma(vma, &thp_split_walk_ops, NULL);
 	}
 	mm->def_flags |= VM_NOHUGEPAGE;

diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -391,7 +391,7 @@ void __init map_vsyscall(void)
 	}
 
 	if (vsyscall_mode == XONLY)
-		gate_vma.vm_flags = VM_EXEC;
+		vm_flags_init(&gate_vma, VM_EXEC);
 
 	BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_PAGE) !=
 		     (unsigned long)VSYSCALL_ADDR);

diff --git a/arch/x86/kernel/cpu/sgx/driver.c b/arch/x86/kernel/cpu/sgx/driver.c
@@ -95,7 +95,7 @@ static int sgx_mmap(struct file *file, struct vm_area_struct *vma)
 		return ret;
 
 	vma->vm_ops = &sgx_vm_ops;
-	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_IO;
+	vm_flags_set(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_IO);
 	vma->vm_private_data = encl;
 
 	return 0;

diff --git a/arch/x86/kernel/cpu/sgx/virt.c b/arch/x86/kernel/cpu/sgx/virt.c
@@ -105,7 +105,7 @@ static int sgx_vepc_mmap(struct file *file, struct vm_area_struct *vma)
 
 	vma->vm_ops = &sgx_vepc_vm_ops;
 	/* Don't copy VMA in fork() */
-	vma->vm_flags |= VM_PFNMAP | VM_IO | VM_DONTDUMP | VM_DONTCOPY;
+	vm_flags_set(vma, VM_PFNMAP | VM_IO | VM_DONTDUMP | VM_DONTCOPY);
 	vma->vm_private_data = vepc;
 
 	return 0;

diff --git a/arch/x86/mm/pat/memtype.c b/arch/x86/mm/pat/memtype.c
@@ -1000,7 +1000,7 @@ int track_pfn_remap(struct vm_area_struct *vma, pgprot_t *prot,
 
 		ret = reserve_pfn_range(paddr, size, prot, 0);
 		if (ret == 0 && vma)
-			vma->vm_flags |= VM_PAT;
+			vm_flags_set(vma, VM_PAT);
 		return ret;
 	}
 
@@ -1066,7 +1066,7 @@ void untrack_pfn(struct vm_area_struct *vma, unsigned long pfn,
 	}
 	free_pfn_range(paddr, size);
 	if (vma)
-		vma->vm_flags &= ~VM_PAT;
+		vm_flags_clear(vma, VM_PAT);
 }
 
 /*
@@ -1076,7 +1076,7 @@ void untrack_pfn(struct vm_area_struct *vma, unsigned long pfn,
  */
 void untrack_pfn_moved(struct vm_area_struct *vma)
 {
-	vma->vm_flags &= ~VM_PAT;
+	vm_flags_clear(vma, VM_PAT);
 }
 
 pgprot_t pgprot_writecombine(pgprot_t prot)

diff --git a/arch/x86/um/mem_32.c b/arch/x86/um/mem_32.c
@@ -16,7 +16,7 @@ static int __init gate_vma_init(void)
 	vma_init(&gate_vma, NULL);
 	gate_vma.vm_start = FIXADDR_USER_START;
 	gate_vma.vm_end = FIXADDR_USER_END;
-	gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
+	vm_flags_init(&gate_vma, VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC);
 	gate_vma.vm_page_prot = PAGE_READONLY;
 
 	return 0;

diff --git a/drivers/acpi/pfr_telemetry.c b/drivers/acpi/pfr_telemetry.c
@@ -310,7 +310,7 @@ pfrt_log_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EROFS;
 
 	/* changing from read to write with mprotect is not allowed */
-	vma->vm_flags &= ~VM_MAYWRITE;
+	vm_flags_clear(vma, VM_MAYWRITE);
 
 	pfrt_log_dev = to_pfrt_log_dev(file);
 

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
@@ -5572,8 +5572,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
 		       proc->pid, vma->vm_start, vma->vm_end, "bad vm_flags", -EPERM);
 		return -EPERM;
 	}
-	vma->vm_flags |= VM_DONTCOPY | VM_MIXEDMAP;
-	vma->vm_flags &= ~VM_MAYWRITE;
+	vm_flags_mod(vma, VM_DONTCOPY | VM_MIXEDMAP, VM_MAYWRITE);
 
 	vma->vm_ops = &binder_vm_ops;
 	vma->vm_private_data = proc;

diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c
@@ -206,7 +206,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma,
 	refcount_set(&vdata->refcnt, 1);
 	vma->vm_private_data = vdata;
 
-	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
+	vm_flags_set(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
 	if (vdata->type == MSPEC_UNCACHED)
 		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 	vma->vm_ops = &mspec_vm_ops;

diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
@@ -2363,7 +2363,7 @@ static int hisi_qm_uacce_mmap(struct uacce_queue *q,
 				return -EINVAL;
 		}
 
-		vma->vm_flags |= VM_IO;
+		vm_flags_set(vma, VM_IO);
 
 		return remap_pfn_range(vma, vma->vm_start,
 				       phys_base >> PAGE_SHIFT,

diff --git a/drivers/dax/device.c b/drivers/dax/device.c
@@ -308,7 +308,7 @@ static int dax_mmap(struct file *filp, struct vm_area_struct *vma)
 		return rc;
 
 	vma->vm_ops = &dax_vm_ops;
-	vma->vm_flags |= VM_HUGEPAGE;
+	vm_flags_set(vma, VM_HUGEPAGE);
 	return 0;
 }
 

diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c
@@ -201,7 +201,7 @@ static int idxd_cdev_mmap(struct file *filp, struct vm_area_struct *vma)
 	if (rc < 0)
 		return rc;
 
-	vma->vm_flags |= VM_DONTCOPY;
+	vm_flags_set(vma, VM_DONTCOPY);
 	pfn = (base + idxd_get_wq_portal_full_offset(wq->id,
 				IDXD_PORTAL_LIMITED)) >> PAGE_SHIFT;
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -257,7 +257,7 @@ static int amdgpu_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_str
 	 */
 	if (is_cow_mapping(vma->vm_flags) &&
 	    !(vma->vm_flags & VM_ACCESS_FLAGS))
-		vma->vm_flags &= ~VM_MAYWRITE;
+		vm_flags_clear(vma, VM_MAYWRITE);
 
 	return drm_gem_ttm_mmap(obj, vma);
 }

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -2879,8 +2879,8 @@ static int kfd_mmio_mmap(struct kfd_dev *dev, struct kfd_process *process,
 
 	address = dev->adev->rmmio_remap.bus_addr;
 
-	vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE |
-				VM_DONTDUMP | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE |
+				VM_DONTDUMP | VM_PFNMAP);
 
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
@@ -159,8 +159,8 @@ int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process,
 	address = kfd_get_process_doorbells(pdd);
 	if (!address)
 		return -ENOMEM;
-	vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE |
-				VM_DONTDUMP | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE |
+				VM_DONTDUMP | VM_PFNMAP);
 
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
@@ -1052,8 +1052,8 @@ int kfd_event_mmap(struct kfd_process *p, struct vm_area_struct *vma)
 	pfn = __pa(page->kernel_address);
 	pfn >>= PAGE_SHIFT;
 
-	vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE
-		       | VM_DONTDUMP | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE
+		       | VM_DONTDUMP | VM_PFNMAP);
 
 	pr_debug("Mapping signal page\n");
 	pr_debug("     start user address  == 0x%08lx\n", vma->vm_start);

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -1978,8 +1978,8 @@ int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process,
 		return -ENOMEM;
 	}
 
-	vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND
-		| VM_NORESERVE | VM_DONTDUMP | VM_PFNMAP;
+	vm_flags_set(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND
+		| VM_NORESERVE | VM_DONTDUMP | VM_PFNMAP);
 	/* Mapping pages to user process */
 	return remap_pfn_range(vma, vma->vm_start,
 			       PFN_DOWN(__pa(qpd->cwsr_kaddr)),

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
@@ -1047,7 +1047,7 @@ int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
 			goto err_drm_gem_object_put;
 		}
 
-		vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
+		vm_flags_set(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
 		vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags));
 		vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
 	}

diff --git a/drivers/gpu/drm/drm_gem_dma_helper.c b/drivers/gpu/drm/drm_gem_dma_helper.c
@@ -530,8 +530,7 @@ int drm_gem_dma_mmap(struct drm_gem_dma_object *dma_obj, struct vm_area_struct *
 	 * the whole buffer.
 	 */
 	vma->vm_pgoff -= drm_vma_node_start(&obj->vma_node);
-	vma->vm_flags &= ~VM_PFNMAP;
-	vma->vm_flags |= VM_DONTEXPAND;
+	vm_flags_mod(vma, VM_DONTEXPAND, VM_PFNMAP);
 
 	if (dma_obj->map_noncoherent) {
 		vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);

diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -633,7 +633,7 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
 	if (ret)
 		return ret;
 
-	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
+	vm_flags_set(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
 	vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
 	if (shmem->map_wc)
 		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);

diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
@@ -476,7 +476,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
 
 	if (!capable(CAP_SYS_ADMIN) &&
 	    (dma->flags & _DRM_DMA_USE_PCI_RO)) {
-		vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE);
+		vm_flags_clear(vma, VM_WRITE | VM_MAYWRITE);
 #if defined(__i386__) || defined(__x86_64__)
 		pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
 #else
@@ -492,7 +492,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
 
 	vma->vm_ops = &drm_vm_dma_ops;
 
-	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+	vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
 
 	drm_vm_open_locked(dev, vma);
 	return 0;
@@ -560,7 +560,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) {
-		vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE);
+		vm_flags_clear(vma, VM_WRITE | VM_MAYWRITE);
 #if defined(__i386__) || defined(__x86_64__)
 		pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
 #else
@@ -628,7 +628,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
 	default:
 		return -EINVAL;	/* This should never happen. */
 	}
-	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+	vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
 
 	drm_vm_open_locked(dev, vma);
 	return 0;

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -130,7 +130,7 @@ static int etnaviv_gem_mmap_obj(struct etnaviv_gem_object *etnaviv_obj,
 {
 	pgprot_t vm_page_prot;
 
-	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
+	vm_flags_set(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
 
 	vm_page_prot = vm_get_page_prot(vma->vm_flags);