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Linux/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 <linux/atomic.h>
  9 #include <linux/user_namespace.h>
 10 #include <asm/pgtable.h>
 11 #include <asm/mmu.h>
 12 
 13 #ifndef INIT_MM_CONTEXT
 14 #define INIT_MM_CONTEXT(name)
 15 #endif
 16 
 17 struct mm_struct init_mm = {
 18         .mm_rb          = RB_ROOT,
 19         .pgd            = swapper_pg_dir,
 20         .mm_users       = ATOMIC_INIT(2),
 21         .mm_count       = ATOMIC_INIT(1),
 22         .mmap_sem       = __RWSEM_INITIALIZER(init_mm.mmap_sem),
 23         .page_table_lock =  __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
 24         .mmlist         = LIST_HEAD_INIT(init_mm.mmlist),
 25         .user_ns        = &init_user_ns,
 26         INIT_MM_CONTEXT(init_mm)
 27 };
 28 

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