There are many different system properties that indicate various states of an Android system related to its page size support. If you're trying to understand how a specific device is configured, these options provide an overview of how page size is configured and used in Android.
ro.boot.hardware.cpu.pagesizeis an OEM-specific value, indicating the page size that is running. In Android 16 (AOSP experimental), this is set by init by default based on the CPU page size if it isn't passed from the bootloader.ro.product.cpu.pagesize.maxis the value ofPRODUCT_MAX_PAGE_SIZE_SUPPORTEDor in other words, the expected alignment of binaries on device.ro.product.page_size(introduced in Android 16 (AOSP experimental)) is the product-defined page size (based onTARGET_BOOTS_16K). This defines what the page size should be and is verfied inVts16KPageSizeTest. If the wrong kernel is used, the mismatch with this property tells you.ro.product.build.16k_page.enabledindicates whether the device supports a developer option to switch between 4 KB and 16 KB mode. Read more how to enable and use this option.