C++ (Cpp) mm_count示例

示例#1

文件： vmm.c 项目： czy941030/ucore_lab

// mm_destroy - free mm and mm internal fields
void
mm_destroy(struct mm_struct *mm) {
    assert(mm_count(mm) == 0);

    list_entry_t *list = &(mm->mmap_list), *le;
    while ((le = list_next(list)) != list) {
        list_del(le);
        kfree(le2vma(le, list_link));  //kfree vma        
    }
    kfree(mm); //kfree mm
    mm=NULL;
}

示例#2

文件： vmm.c 项目： jefjin/ucore

// mm_destroy - free mm and mm internal fields
void
mm_destroy(struct mm_struct *mm) {
    assert(mm_count(mm) == 0);
    if (mm->mmap_tree != NULL) {
        rb_tree_destroy(mm->mmap_tree);
    }
    list_entry_t *list = &(mm->mmap_list), *le;
    while ((le = list_next(list)) != list) {
        list_del(le);
        vma_destroy(le2vma(le, list_link));
    }
    kfree(mm);
}

示例#3

文件： vmm.c 项目： czy941030/ucore_lab

void
exit_mmap(struct mm_struct *mm) {
    assert(mm != NULL && mm_count(mm) == 0);
    pde_t *pgdir = mm->pgdir;
    list_entry_t *list = &(mm->mmap_list), *le = list;
    while ((le = list_next(le)) != list) {
        struct vma_struct *vma = le2vma(le, list_link);
        unmap_range(pgdir, vma->vm_start, vma->vm_end);
    }
    while ((le = list_next(le)) != list) {
        struct vma_struct *vma = le2vma(le, list_link);
        exit_range(pgdir, vma->vm_start, vma->vm_end);
    }
}

示例#4

文件： vmm.c 项目： piyifan/ucore_plus-next

void exit_mmap(struct mm_struct *mm)
{
	assert(mm != NULL && mm_count(mm) == 0);
	pgd_t *pgdir = mm->pgdir;
	list_entry_t *list = &(mm->mmap_list), *le = list;
	while ((le = list_next(le)) != list) {
		struct vma_struct *vma = le2vma(le, list_link);
		unmap_range(pgdir, vma->vm_start, vma->vm_end);

#ifdef UCONFIG_BIONIC_LIBC
		vma_unmapfile(vma);
#endif //UCONFIG_BIONIC_LIBC
	}
	while ((le = list_next(le)) != list) {
		struct vma_struct *vma = le2vma(le, list_link);
		exit_range(pgdir, vma->vm_start, vma->vm_end);
	}
}