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Searched refs:kptr_restrict_file (Results 1 – 1 of 1) sorted by relevance

/system/extras/simpleperf/
Denvironment.cpp491 const std::string kptr_restrict_file = "/proc/sys/kernel/kptr_restrict"; in CheckKernelSymbolAddresses() local
493 if (!android::base::ReadFileToString(kptr_restrict_file, &s)) { in CheckKernelSymbolAddresses()
494 PLOG(DEBUG) << "failed to read " << kptr_restrict_file; in CheckKernelSymbolAddresses()
500 LOG(ERROR) << "failed to parse " << kptr_restrict_file << ": " << s; in CheckKernelSymbolAddresses()
512 if (IsRoot() && android::base::WriteStringToFile("1", kptr_restrict_file)) { in CheckKernelSymbolAddresses()