| Alexey Dobriyan | bb1f17b | 2009-06-16 15:31:18 -0700 | [diff] [blame] | 1 | #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 Sharma | 60063497 | 2011-07-26 16:09:06 -0700 | [diff] [blame] | 8 | #include <linux/atomic.h> |
| Eric W. Biederman | 694a95f | 2016-10-13 21:23:16 -0500 | [diff] [blame] | 9 | #include <linux/user_namespace.h> |
| Alexey Dobriyan | bb1f17b | 2009-06-16 15:31:18 -0700 | [diff] [blame] | 10 | #include <asm/pgtable.h> |
| Heiko Carstens | a1b200e | 2010-08-09 17:18:28 -0700 | [diff] [blame] | 11 | #include <asm/mmu.h> |
| 12 | |
| 13 | #ifndef INIT_MM_CONTEXT |
| 14 | #define INIT_MM_CONTEXT(name) |
| 15 | #endif |
| Alexey Dobriyan | bb1f17b | 2009-06-16 15:31:18 -0700 | [diff] [blame] | 16 | |
| 17 | struct mm_struct init_mm = { |
| 18 | .mm_rb = RB_ROOT, |
| Laurent Dufour | d817384 | 2018-04-17 16:33:23 +0200 | [diff] [blame] | 19 | #ifdef CONFIG_SPECULATIVE_PAGE_FAULT |
| 20 | .mm_rb_lock = __RW_LOCK_UNLOCKED(init_mm.mm_rb_lock), |
| 21 | #endif |
| Alexey Dobriyan | bb1f17b | 2009-06-16 15:31:18 -0700 | [diff] [blame] | 22 | .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), |
| Yang Shi | f98bcb2 | 2018-06-07 17:05:28 -0700 | [diff] [blame] | 27 | .arg_lock = __SPIN_LOCK_UNLOCKED(init_mm.arg_lock), |
| Alexey Dobriyan | bb1f17b | 2009-06-16 15:31:18 -0700 | [diff] [blame] | 28 | .mmlist = LIST_HEAD_INIT(init_mm.mmlist), |
| Eric W. Biederman | 694a95f | 2016-10-13 21:23:16 -0500 | [diff] [blame] | 29 | .user_ns = &init_user_ns, |
| Heiko Carstens | a1b200e | 2010-08-09 17:18:28 -0700 | [diff] [blame] | 30 | INIT_MM_CONTEXT(init_mm) |
| Alexey Dobriyan | bb1f17b | 2009-06-16 15:31:18 -0700 | [diff] [blame] | 31 | }; |