https://github.com/torvalds/linux
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Tip revision: 0f33be009b89d2268e94194dc4fd01a7851b6d51 authored by Linus Torvalds on 21 September 2014, 22:43:02 UTC
Linux 3.17-rc6
Tip revision: 0f33be0
init-mm.c
#include <linux/mm_types.h>
#include <linux/rbtree.h>
#include <linux/rwsem.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/cpumask.h>

#include <linux/atomic.h>
#include <asm/pgtable.h>
#include <asm/mmu.h>

#ifndef INIT_MM_CONTEXT
#define INIT_MM_CONTEXT(name)
#endif

struct mm_struct init_mm = {
	.mm_rb		= RB_ROOT,
	.pgd		= swapper_pg_dir,
	.mm_users	= ATOMIC_INIT(2),
	.mm_count	= ATOMIC_INIT(1),
	.mmap_sem	= __RWSEM_INITIALIZER(init_mm.mmap_sem),
	.page_table_lock =  __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
	.mmlist		= LIST_HEAD_INIT(init_mm.mmlist),
	INIT_MM_CONTEXT(init_mm)
};
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