Root/mm/init-mm.c

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
16struct 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

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