PFN_SIG_LEN 17 drivers/nvdimm/pfn.h u8 signature[PFN_SIG_LEN]; PFN_SIG_LEN 464 drivers/nvdimm/pfn_devs.c if (memcmp(pfn_sb->signature, sig, PFN_SIG_LEN) != 0) PFN_SIG_LEN 526 drivers/nvdimm/pfn_devs.c !memcmp(pfn_sb->signature, DAX_SIG, PFN_SIG_LEN)) { PFN_SIG_LEN 787 drivers/nvdimm/pfn_devs.c memcpy(pfn_sb->signature, sig, PFN_SIG_LEN);