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  *   ˆl–ß=¿JÅ!¶e8 EpÜ TÅ£Àƒ¯;_†I|¥�+ÀÃ û    /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_MMAN_H
#define _LINUX_MMAN_H

#include <asm/mman.h>
#include <asm-generic/hugetlb_encode.h>
#include <linux/types.h>

#define MREMAP_MAYMOVE		1
#define MREMAP_FIXED		2
#define MREMAP_DONTUNMAP	4

#define OVERCOMMIT_GUESS		0
#define OVERCOMMIT_ALWAYS		1
#define OVERCOMMIT_NEVER		2

#define MAP_SHARED	0x01		/* Share changes */
#define MAP_PRIVATE	0x02		/* Changes are private */
#define MAP_SHARED_VALIDATE 0x03	/* share + validate extension flags */

/*
 * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
 * size other than the default is desired.  See hugetlb_encode.h.
 * All known huge page size encodings are provided here.  It is the
 * responsibility of the application to know which sizes are supported on
 * the running system.  See mmap(2) man page for details.
 */
#define MAP_HUGE_SHIFT	HUGETLB_FLAG_ENCODE_SHIFT
#define MAP_HUGE_MASK	HUGETLB_FLAG_ENCODE_MASK

#define MAP_HUGE_16KB	HUGETLB_FLAG_ENCODE_16KB
#define MAP_HUGE_64KB	HUGETLB_FLAG_ENCODE_64KB
#define MAP_HUGE_512KB	HUGETLB_FLAG_ENCODE_512KB
#define MAP_HUGE_1MB	HUGETLB_FLAG_ENCODE_1MB
#define MAP_HUGE_2MB	HUGETLB_FLAG_ENCODE_2MB
#define MAP_HUGE_8MB	HUGETLB_FLAG_ENCODE_8MB
#define MAP_HUGE_16MB	HUGETLB_FLAG_ENCODE_16MB
#define MAP_HUGE_32MB	HUGETLB_FLAG_ENCODE_32MB
#define MAP_HUGE_256MB	HUGETLB_FLAG_ENCODE_256MB
#define MAP_HUGE_512MB	HUGETLB_FLAG_ENCODE_512MB
#define MAP_HUGE_1GB	HUGETLB_FLAG_ENCODE_1GB
#define MAP_HUGE_2GB	HUGETLB_FLAG_ENCODE_2GB
#define MAP_HUGE_16GB	HUGETLB_FLAG_ENCODE_16GB

struct cachestat_range {
	__u64 off;
	__u64 len;
};

struct cachestat {
	__u64 nr_cache;
	__u64 nr_dirty;
	__u64 nr_writeback;
	__u64 nr_evicted;
	__u64 nr_recently_evicted;
};

#endif /* _LINUX_MMAN_H */
     ˆ¿Áƒ�=¾ÀÃ ˜    /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 *		operating system.  INET is implemented using the  BSD Socket
 *		interface as the means of communication with the user level.
 *
 *		Definitions for the UDP protocol.
 *
 * Version:	@(#)udp.h	1.0.2	04/28/93
 *
 * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 */
#ifndef _LINUX_UDP_H
#define _LINUX_UDP_H

#include <linux/types.h>

struct udphdr {
	__be16	source;
	__be16	dest;
	__be16	len;
	__sum16	check;
};

/* UDP socket options */
#define UDP_CORK	1	/* Never send partially complete segments */
#define UDP_ENCAP	100	/* Set the socket to accept encapsulated packets */
#define UDP_NO_CHECK6_TX 101	/* Disable sending checksum for UDP6X */
#define UDP_NO_CHECK6_RX 102	/* Disable accpeting checksum for UDP6 */
#define UDP_SEGMENT	103	/* Set GSO segmentation size */
#define UDP_GRO		104	/* This socket can receive UDP GRO packets */

/* UDP encapsulation types */
#define UDP_ENCAP_ESPINUDP_NON_IKE	1 /* draft-ietf-ipsec-nat-t-ike-00/01 */
#define UDP_ENCAP_ESPINUDP	2 /* draft-ietf-ipsec-udp-encaps-06 */
#define UDP_ENCAP_L2TPINUDP	3 /* rfc2661 */
#define UDP_ENCAP_GTP0		4 /* GSM TS 09.60 */
#define UDP_ENCAP_GTP1U		5 /* 3GPP TS 29.060 */
#define UDP_ENCAP_RXRPC		6
#define TCP_ENCAP_ESPINTCP	7 /* Yikes, this is really xfrm encap types. */

#endif /* _LINUX_UDP_H */
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     ˆÁÃ‚xBÀÂÅ 6    /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Kernel Connection Multiplexor
 *
 * Copyright (c) 2016 Tom Herbert <tom@herbertland.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it u