[android-components](../../index.md) / [mozilla.components.browser.storage.memory](../index.md) / [InMemoryHistoryStorage](index.md) / [warmUp](./warm-up.md)

# warmUp

`suspend fun warmUp(): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/browser/storage-memory/src/main/java/mozilla/components/browser/storage/memory/InMemoryHistoryStorage.kt#L34)

Overrides [Storage.warmUp](../../mozilla.components.concept.storage/-storage/warm-up.md)

Make sure underlying database connections are established.

