diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2017-10-04 19:27:07 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-10-09 11:18:06 +0200 |
| commit | 41879ff65d8b025eace44610be0b07f678fb3224 (patch) | |
| tree | 4759c44017760195a4bdfce5944376a017ade3ca /arch/s390/kernel | |
| parent | 0b77d6701cf8d4eb343a83fa8d7eca81a863bb7c (diff) | |
s390/mm: use memset64 instead of clear_table
Use memset64 instead of the (now) open-coded variant clear_table.
Performance wise there is no difference.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/vdso.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c index eacda05b45d7..aaf8f77a636e 100644 --- a/arch/s390/kernel/vdso.c +++ b/arch/s390/kernel/vdso.c @@ -166,10 +166,8 @@ int vdso_alloc_per_cpu(struct lowcore *lowcore) vd->node_id = cpu_to_node(vd->cpu_nr); /* Set up access register mode page table */ - clear_table((unsigned long *) segment_table, _SEGMENT_ENTRY_EMPTY, - PAGE_SIZE << SEGMENT_ORDER); - clear_table((unsigned long *) page_table, _PAGE_INVALID, - 256*sizeof(unsigned long)); + memset64((u64 *)segment_table, _SEGMENT_ENTRY_EMPTY, _CRST_ENTRIES); + memset64((u64 *)page_table, _PAGE_INVALID, PTRS_PER_PTE); *(unsigned long *) segment_table = _SEGMENT_ENTRY + page_table; *(unsigned long *) page_table = _PAGE_PROTECT + page_frame; |