MAJOR=4
MINOR=2
DEVNAME=tty2
 Ò    /*
 * zsmalloc memory allocator
 *
 * Copyright (C) 2011  Nitin Gupta
 * Copyright (C) 2012, 2013 Minchan Kim
 *
 * This code is released using a dual license strategy: BSD/GPL
 * You can choose the license that better fits your requirements.
 *
 * Released under the terms of 3-clause BSD License
 * Released under the terms of GNU General Public License Version 2.0
 */

#ifndef _ZS_MALLOC_H_
#define _ZS_MALLOC_H_

#include <linux/types.h>

/*
 * zsmalloc mapping modes
 *
 * NOTE: These only make a difference when a mapped object spans pages.
 */
enum zs_mapmode {
	ZS_MM_RW, /* normal read-write mapping */
	ZS_MM_RO, /* read-only (no copy-out at unmap time) */
	ZS_MM_WO /* write-only (no copy-in at map time) */
	/*
	 * NOTE: ZS_MM_WO should only be used for initializing new
	 * (uninitialized) allocations.  Partial writes to already
	 * initialized allocations should use ZS_MM_RW to preserve the
	 * existing data.
	 */
};

struct zs_pool_stats {
	/* How many pages were migrated (freed) */
	atomic_long_t pages_compacted;
};

struct zs_pool;

struct zs_pool *zs_create_pool(const char *name);
void zs_destroy_pool(struct zs_pool *pool);

unsigned long zs_malloc(struct zs_pool *pool, size_t size, gfp_t flags);
void zs_free(struct zs_pool *pool, unsigned long obj);

size_t zs_huge_class_size(struct zs_pool *pool);

void *zs_map_object(struct zs_pool *pool, unsigned long handle,
			enum zs_mapmode mm);
void zs_unmap_object(struct zs_pool *pool, unsigned long handle);

unsigned long zs_get_total_pages(struct zs_pool *pool);
unsigned long zs_compact(struct zs_pool *pool);

unsigned int zs_lookup_class_index(struct zs_pool *pool, unsigned int size);

void zs_pool_stats(struct zs_pool *pool, struct zs_pool_stats *stats);
#endif
      3000
 Ì    /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IPV6_STUBS_H
#define _IPV6_STUBS_H

#include <linux/in6.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <net/dst.h>
#include <net/flow.h>
#include <net/neighbour.h>
#include <net/sock.h>

/* structs from net/ip6_fib.h */
struct fib6_info;
struct fib6_nh;
struct fib6_config;
struct fib6_result;

/* This is ugly, ideally these symbols should be built
 * into the core kernel.
 */
struct ipv6_stub {
	int (*ipv6_sock_mc_join)(struct sock *sk, int ifindex,
				 const struct in6_addr *addr);
	int (*ipv6_sock_mc_drop)(struct sock *sk, int ifindex,
				 const struct in6_addr *addr);
	struct dst_entry *(*ipv6_dst_lookup_flow)(struct net *net,
						  const struct sock *sk,
						  struct flowi6 *fl6,
						  const struct in6_addr *final_dst);
	int (*ipv6_route_input)(struct sk_buff *skb);

	struct fib6_table *(*fib6_get_table)(struct net *net, u32 id);
	int (*fib6_lookup)(struct net *net, int oif, struct flowi6 *fl6,
			   struct fib6_result *res, int flags);
	int (*fib6_table_lookup)(struct net *net, struct fib6_table *table,
				 int oif, struct flowi6 *fl6,
				 struct fib6_result *res, int flags);
	void (*fib6_select_path)(const struct net *net, struct fib6_result *res,
				 struct flowi6 *fl6, int oif, bool oif_match,
				 const struct sk_buff *skb, int strict);
	u32 (*ip6_mtu_from_fib6)(const struct fib6_result *res,
				 const struct in6_addr *daddr,
				 const struct in6_addr *saddr);

	int (*fib6_nh_init)(struct net *net, struct fib6_nh *fib6_nh,
			    struct fib6_config *cfg, gfp_t gfp_flags,
			    struct netlink_ext_ack *extack);
	void (*fib6_nh_release)(struct fib6_nh *fib6_nh);
	void (*fib6_nh_release_dsts)(struct fib6_nh *fib6_nh);
	void (*fib6_update_sernum)(struct net *net, struct fib6_info *rt);
	int (*ip6_del_rt)(struct net *net, struct fib6_info *rt, bool skip_notify);
	void (*fib6_rt_update)(struct net *net, struct fib6_info *rt,
			       struct nl_info *info);

	void (*udpv6_encap_enable)(void);
	void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,
			      const struct in6_addr *solicited_addr,
			      bool router, bool solicited, bool override, bool inc_opt);
#if IS_ENABLED(CONFIG_XFRM)
	void (*xfrm6_local_rxpmtu)(struct sk_buff *skb, u32 mtu);