Merge "[MemInit] Use new MemInit API." am: 8a956c5f

#include <bionic/malloc.h>

#include <bionic/mte.h>

#include <cutils/fs.h>

#include <cutils/memory.h>

#include <cutils/multiuser.h>

#include <cutils/sockets.h>

#include <private/android_filesystem_config.h>

  // Set the jemalloc decay time to 1.

  mallopt(M_DECAY_TIME, 1);

  // Avoid potentially expensive memory mitigations, mostly meant for system

  // processes, in apps. These may cause app compat problems, use more memory,

  // or reduce performance. While it would be nice to have them for apps,

  // we will have to wait until they are proven out, have more efficient

  // hardware, and/or apply them only to new applications.

  process_disable_memory_mitigations();

}

static void SetUpSeccompFilter(uid_t uid, bool is_child_zygote) {

      break;

  }

  mallopt(M_BIONIC_SET_HEAP_TAGGING_LEVEL, heap_tagging_level);

  // Avoid heap zero initialization for applications without MTE. Zero init may

  // cause app compat problems, use more memory, or reduce performance. While it

  // would be nice to have them for apps, we will have to wait until they are

  // proven out, have more efficient hardware, and/or apply them only to new

  // applications.

  mallopt(M_BIONIC_ZERO_INIT, 0);

  // Now that we've used the flag, clear it so that we don't pass unknown flags to the ART runtime.

  runtime_flags &= ~RuntimeFlags::MEMORY_TAG_LEVEL_MASK;