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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
#pragma once
#ifndef arena_container_of
#define arena_container_of(ptr, type, member) \
({ \
void __arena *__mptr = (void __arena *)(ptr); \
((type *)(__mptr - offsetof(type, member))); \
})
#endif
/* Provide the definition of PAGE_SIZE. */
#include <sys/user.h>
#define __arena
#define __arg_arena
#define cast_kern(ptr) /* nop for user space */
#define cast_user(ptr) /* nop for user space */
char __attribute__((weak)) arena[1];
#ifndef offsetof
#define offsetof(type, member) ((unsigned long)&((type *)0)->member)
#endif
static inline void __arena* bpf_arena_alloc_pages(void *map, void *addr, __u32 page_cnt,
int node_id, __u64 flags)
{
return NULL;
}
static inline void bpf_arena_free_pages(void *map, void __arena *ptr, __u32 page_cnt)
{
}
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