mm: remove blackfin MPU support (1a842913) · Commits · 戴 / test

kernel/module.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -2181,10 +2181,6 @@ static void free_module(struct module *mod)
		/* Finally, free the core (containing the module structure) */
		disable_ro_nx(&mod->core_layout);
		module_memfree(mod->core_layout.base);

		#ifdef CONFIG_MPU
		update_protections(current->mm);
		#endif
		}

		void __symbol_get(const char symbol)

+0 −20

Original line number	Diff line number	Diff line
		@@ -662,22 +662,6 @@ static void put_nommu_region(struct vm_region *region)
		__put_nommu_region(region);
		}

		/*
		* update protection on a vma
		*/
		static void protect_vma(struct vm_area_struct *vma, unsigned long flags)
		{
		#ifdef CONFIG_MPU
		struct mm_struct *mm = vma->vm_mm;
		long start = vma->vm_start & PAGE_MASK;
		while (start < vma->vm_end) {
		protect_page(mm, start, flags);
		start += PAGE_SIZE;
		}
		update_protections(mm);
		#endif
		}

		/*
		* add a VMA into a process's mm_struct in the appropriate place in the list
		* and tree and add to the address space's page tree also if not an anonymous
		@@ -695,8 +679,6 @@ static void add_vma_to_mm(struct mm_struct mm, struct vm_area_struct vma)
		mm->map_count++;
		vma->vm_mm = mm;

		protect_vma(vma, vma->vm_flags);

		/* add the VMA to the mapping */
		if (vma->vm_file) {
		mapping = vma->vm_file->f_mapping;
		@@ -757,8 +739,6 @@ static void delete_vma_from_mm(struct vm_area_struct *vma)
		struct mm_struct *mm = vma->vm_mm;
		struct task_struct *curr = current;

		protect_vma(vma, 0);

		mm->map_count--;
		for (i = 0; i < VMACACHE_SIZE; i++) {
		/* if the vma is cached, invalidate the entire cache */