Set memlock rlimit to 64KB
Defaulting Android to limit memlock to 64KB. This will help preventing
pages from being swapped until the app is killed it's memory will stay
resident. CTS test is enforced only in U+ devies.
Bug: 201797650
Test: Added new test to verify we are memlock at or under 64KB
Change-Id: I5a9e9da12f6df5a056ee47d0593c13e9c779e054
diff --git a/init/init_test.cpp b/init/init_test.cpp
index 18a08c7..1ab69ac 100644
--- a/init/init_test.cpp
+++ b/init/init_test.cpp
@@ -21,8 +21,10 @@
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
+#include <android/api-level.h>
#include <gtest/gtest.h>
#include <selinux/selinux.h>
+#include <sys/resource.h>
#include "action.h"
#include "action_manager.h"
@@ -626,6 +628,20 @@
ASSERT_EQ(1u, parser.parse_error_count());
}
+TEST(init, MemLockLimit) {
+ // Test is enforced only for U+ devices
+ if (android::base::GetIntProperty("ro.vendor.api_level", 0) < __ANDROID_API_U__) {
+ GTEST_SKIP();
+ }
+
+ // Verify we are running memlock at, or under, 64KB
+ const unsigned long max_limit = 65536;
+ struct rlimit curr_limit;
+ ASSERT_EQ(getrlimit(RLIMIT_MEMLOCK, &curr_limit), 0);
+ ASSERT_LE(curr_limit.rlim_cur, max_limit);
+ ASSERT_LE(curr_limit.rlim_max, max_limit);
+}
+
class TestCaseLogger : public ::testing::EmptyTestEventListener {
void OnTestStart(const ::testing::TestInfo& test_info) override {
#ifdef __ANDROID__