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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344// SPDX-License-Identifier: GPL-2.0/* Copyright (c) 2021 Facebook */
#include "vmlinux.h"#include <bpf/bpf_helpers.h>#include <bpf/bpf_tracing.h>
char _license[] SEC("license") = "GPL";
struct { __uint(type, BPF_MAP_TYPE_HASH); __uint(max_entries, 1); __type(key, int); __type(value, long);} hash1 SEC(".maps");
struct { __uint(type, BPF_MAP_TYPE_HASH); __uint(max_entries, 1); __type(key, int); __type(value, long);} hash2 SEC(".maps");
int pass1 = 0;int pass2 = 0;
SEC("fentry/htab_map_delete_elem")int BPF_PROG(on_delete, struct bpf_map *map){ int key = 0;
if (map == (void *)&hash1) { pass1++; return 0; } if (map == (void *)&hash2) { pass2++; bpf_map_delete_elem(&hash2, &key); return 0; }
return 0;}