1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/mm_types.h> 3 #include <linux/rbtree.h> 4 #include <linux/rwsem.h> 5 #include <linux/spinlock.h> 6 #include <linux/list.h> 7 #include <linux/cpumask.h> 8 9 #include <linux/atomic.h> 10 #include <linux/user_namespace.h> 11 #include <asm/pgtable.h> 12 #include <asm/mmu.h> 13 14 #ifndef INIT_MM_CONTEXT 15 #define INIT_MM_CONTEXT(name) 16 #endif 17 18 struct mm_struct init_mm = { 19 .mm_rb = RB_ROOT, 20 .pgd = swapper_pg_dir, 21 .mm_users = ATOMIC_INIT(2), 22 .mm_count = ATOMIC_INIT(1), 23 .mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem), 24 .page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock), 25 .mmlist = LIST_HEAD_INIT(init_mm.mmlist), 26 .user_ns = &init_user_ns, 27 INIT_MM_CONTEXT(init_mm) 28 }; 29