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https://github.com/Qortal/Brooklyn.git
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a94b3d14aa
Changes included (and more): 1. Dynamic RAM merge 2. Real-time page scan and allocation 3. Cache compression 4. Real-time IRQ checks 5. Dynamic I/O allocation for Java heap 6. Java page migration 7. Contiguous memory allocation 8. Idle pages tracking 9. Per CPU RAM usage tracking 10. ARM NEON scalar multiplication library 11. NEON/ARMv8 crypto extensions 12. NEON SHA, Blake, RIPEMD crypto extensions 13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2018 Facebook */
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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#include "bpf_legacy.h"
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struct ipv_counts {
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unsigned int v4;
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unsigned int v6;
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};
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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/* just to validate we can handle maps in multiple sections */
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struct bpf_map_def SEC("maps") btf_map_legacy = {
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.type = BPF_MAP_TYPE_ARRAY,
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.key_size = sizeof(int),
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.value_size = sizeof(long long),
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.max_entries = 4,
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};
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#pragma GCC diagnostic pop
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BPF_ANNOTATE_KV_PAIR(btf_map_legacy, int, struct ipv_counts);
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struct {
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__uint(type, BPF_MAP_TYPE_ARRAY);
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__uint(max_entries, 4);
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__type(key, int);
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__type(value, struct ipv_counts);
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} btf_map SEC(".maps");
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__attribute__((noinline))
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int test_long_fname_2(void)
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{
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struct ipv_counts *counts;
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int key = 0;
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counts = bpf_map_lookup_elem(&btf_map, &key);
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if (!counts)
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return 0;
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counts->v6++;
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/* just verify we can reference both maps */
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counts = bpf_map_lookup_elem(&btf_map_legacy, &key);
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if (!counts)
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return 0;
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return 0;
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}
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__attribute__((noinline))
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int test_long_fname_1(void)
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{
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return test_long_fname_2();
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}
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SEC("dummy_tracepoint")
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int _dummy_tracepoint(void *arg)
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{
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return test_long_fname_1();
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}
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char _license[] SEC("license") = "GPL";
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