Github user nongli commented on a diff in the pull request:
https://github.com/apache/spark/pull/10820#discussion_r50787139
--- Diff: unsafe/src/main/java/org/apache/spark/unsafe/Platform.java ---
@@ -105,6 +105,17 @@ public static void freeMemory(long address) {
_UNSAFE.freeMemory(address);
}
+ public static long reallocateMemory(long address, long oldSize, long
newSize) {
--- End diff --
I have this in the same group of functions as freeMemory, allocateMemory.
What would the on heap version look like?
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