Linux 4.18.10
[linux/fpc-iii.git] / mm / init-mm.c
blobf0179c9c04c26084ba3e76c9954eeb25a2319d1d
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>
9 #include <linux/atomic.h>
10 #include <linux/user_namespace.h>
11 #include <asm/pgtable.h>
12 #include <asm/mmu.h>
14 #ifndef INIT_MM_CONTEXT
15 #define INIT_MM_CONTEXT(name)
16 #endif
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 .arg_lock = __SPIN_LOCK_UNLOCKED(init_mm.arg_lock),
26 .mmlist = LIST_HEAD_INIT(init_mm.mmlist),
27 .user_ns = &init_user_ns,
28 INIT_MM_CONTEXT(init_mm)