S390_CPUMSF_PAGESZ
if (len & (S390_CPUMSF_PAGESZ - 1)) /* Illegal size */
te = (struct hws_trailer_entry *)(buf + S390_CPUMSF_PAGESZ
size_t payload = S390_CPUMSF_PAGESZ - sizeof(struct hws_trailer_entry);
if (payload - (pos & (S390_CPUMSF_PAGESZ - 1)) < entry_sz)
pos = (pos + S390_CPUMSF_PAGESZ)
& ~(S390_CPUMSF_PAGESZ - 1);
te = (struct hws_trailer_entry *)(buf + S390_CPUMSF_PAGESZ
pos = (pos + S390_CPUMSF_PAGESZ)
& ~(S390_CPUMSF_PAGESZ - 1);