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Add CONFIG_MM_PGSIZE == 32768 and 65536 to the page-size switch (and the Kconfig help text). The 64 KB size matches the ESP32-S3 cache-MMU page granularity, so an address-environment port there can use one mm_pgalloc() page per cache-MMU page (naturally 64 KB-aligned by the granule allocator) instead of coalescing several smaller pages. Inert for existing configs: MM_PGSIZE is only used when CONFIG_MM_PGALLOC is enabled (BUILD_KERNEL). Assisted-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com>