nvme_pmr_size(2) Calculate size of persistent memory region elasticity buffer Section 2 libnvme-dev bookworm source Description nvme_pmr_size NAME nvme_pmr_size - Calculate size of persistent memory region elasticity buffer SYNOPSIS __u64 nvme_pmr_size (__u32 pmrebs ); ARGUMENTS pmrebs Value from controller register NVME_REG_PMREBS RETURN size of controller persistent memory buffer in bytes