xref: /openbmc/linux/mm/init-mm.c (revision 28f65c11)
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 
8 #include <asm/atomic.h>
9 #include <asm/pgtable.h>
10 #include <asm/mmu.h>
11 
12 #ifndef INIT_MM_CONTEXT
13 #define INIT_MM_CONTEXT(name)
14 #endif
15 
16 struct mm_struct init_mm = {
17 	.mm_rb		= RB_ROOT,
18 	.pgd		= swapper_pg_dir,
19 	.mm_users	= ATOMIC_INIT(2),
20 	.mm_count	= ATOMIC_INIT(1),
21 	.mmap_sem	= __RWSEM_INITIALIZER(init_mm.mmap_sem),
22 	.page_table_lock =  __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
23 	.mmlist		= LIST_HEAD_INIT(init_mm.mmlist),
24 	INIT_MM_CONTEXT(init_mm)
25 };
26