On Tue, 11 Nov 2025 16:16:25 GMT, Vladimir Kozlov <[email protected]> wrote:
> What happens if TLAB is at the end of heap page? Are you sure "prefetch" > instructions on all OpenJDK platforms can touch unmapped memory? I see PPC > can use AllocatePrefetchStyle == 3. In every `<arch>.ad` file, there is `// Must be safe to execute with invalid address (cannot fault)` for prefetching. I searched online that all currently supported platforms don't fault on prefetching invalid addresses. ------------- PR Comment: https://git.openjdk.org/jdk/pull/28240#issuecomment-3518048288
