UVM_PHYSSEG_BOOT_UNPLUG_MAX
static char btslab_ex_storage[EXTENT_FIXED_STORAGE_SIZE(UVM_PHYSSEG_BOOT_UNPLUG_MAX)];
const size_t npages = UVM_PHYSSEG_BOOT_UNPLUG_MAX; /* Number of pages */
const size_t npages = UVM_PHYSSEG_BOOT_UNPLUG_MAX; /* Number of pages */
const size_t npages = UVM_PHYSSEG_BOOT_UNPLUG_MAX; /* Number of pages */