litmus-rt.git - The LITMUS^RT kernel.

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The LITMUS^RT kernel.

Bjoern Brandenburg

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path: root/tools/perf/scripts/python/syscall-counts.py

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opt">, &tmp_len, ctx->lz4hc_comp_mem); if (err < 0) return -EINVAL; *dlen = tmp_len; return 0; } static int lz4hc_decompress_crypto(struct crypto_tfm *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen) { int err; size_t tmp_len = *dlen; size_t __slen = slen; err = lz4_decompress_unknownoutputsize(src, __slen, dst, &tmp_len); if (err < 0) return -EINVAL; *dlen = tmp_len; return err; } static struct crypto_alg alg_lz4hc = { .cra_name = "lz4hc", .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, .cra_ctxsize = sizeof(struct lz4hc_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(alg_lz4hc.cra_list), .cra_init = lz4hc_init, .cra_exit = lz4hc_exit, .cra_u = { .compress = { .coa_compress = lz4hc_compress_crypto, .coa_decompress = lz4hc_decompress_crypto } } }; static int __init lz4hc_mod_init(void) { return crypto_register_alg(&alg_lz4hc); } static void __exit lz4hc_mod_fini(void) { crypto_unregister_alg(&alg_lz4hc); } module_init(lz4hc_mod_init); module_exit(lz4hc_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("LZ4HC Compression Algorithm"); MODULE_ALIAS_CRYPTO("lz4hc");


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