blob: 4d216293f819696e4d89a5be572618fcdfa73756 [file] [log] [blame]
Alexey Dobriyanbb1f17b2009-06-16 15:31:18 -07001#include <linux/mm_types.h>
2#include <linux/rbtree.h>
3#include <linux/rwsem.h>
4#include <linux/spinlock.h>
5#include <linux/list.h>
6#include <linux/cpumask.h>
7
Arun Sharma600634972011-07-26 16:09:06 -07008#include <linux/atomic.h>
Eric W. Biederman694a95f2016-10-13 21:23:16 -05009#include <linux/user_namespace.h>
Alexey Dobriyanbb1f17b2009-06-16 15:31:18 -070010#include <asm/pgtable.h>
Heiko Carstensa1b200e2010-08-09 17:18:28 -070011#include <asm/mmu.h>
12
13#ifndef INIT_MM_CONTEXT
14#define INIT_MM_CONTEXT(name)
15#endif
Alexey Dobriyanbb1f17b2009-06-16 15:31:18 -070016
17struct mm_struct init_mm = {
18 .mm_rb = RB_ROOT,
Laurent Dufourd8173842018-04-17 16:33:23 +020019#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
20 .mm_rb_lock = __RW_LOCK_UNLOCKED(init_mm.mm_rb_lock),
21#endif
Alexey Dobriyanbb1f17b2009-06-16 15:31:18 -070022 .pgd = swapper_pg_dir,
23 .mm_users = ATOMIC_INIT(2),
24 .mm_count = ATOMIC_INIT(1),
25 .mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
26 .page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
27 .mmlist = LIST_HEAD_INIT(init_mm.mmlist),
Eric W. Biederman694a95f2016-10-13 21:23:16 -050028 .user_ns = &init_user_ns,
Heiko Carstensa1b200e2010-08-09 17:18:28 -070029 INIT_MM_CONTEXT(init_mm)
Alexey Dobriyanbb1f17b2009-06-16 15:31:18 -070030};