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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2017-07-05 07:37:27 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-07-26 08:25:09 +0200 |
| commit | f1c1174fa099566f02c809193e9720593b231ae2 (patch) | |
| tree | 5868d7c9608b5429f59e2b237b7033604ad1fb5a /arch/s390/mm/pgalloc.c | |
| parent | c67da7c7c5d4c0a45b079b21f6991cb7e753856e (diff) | |
| download | linux-f1c1174fa099566f02c809193e9720593b231ae2.tar.bz2 | |
s390/mm: use new mm defines instead of magic values
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm/pgalloc.c')
| -rw-r--r-- | arch/s390/mm/pgalloc.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c index a4de34ce392c..c5b74dd61197 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -83,7 +83,7 @@ int crst_table_upgrade(struct mm_struct *mm, unsigned long end) int rc, notify; /* upgrade should only happen from 3 to 4, 3 to 5, or 4 to 5 levels */ - BUG_ON(mm->context.asce_limit < (1UL << 42)); + BUG_ON(mm->context.asce_limit < _REGION2_SIZE); if (end >= TASK_SIZE_MAX) return -ENOMEM; rc = 0; @@ -96,11 +96,11 @@ int crst_table_upgrade(struct mm_struct *mm, unsigned long end) } spin_lock_bh(&mm->page_table_lock); pgd = (unsigned long *) mm->pgd; - if (mm->context.asce_limit == (1UL << 42)) { + if (mm->context.asce_limit == _REGION2_SIZE) { crst_table_init(table, _REGION2_ENTRY_EMPTY); p4d_populate(mm, (p4d_t *) table, (pud_t *) pgd); mm->pgd = (pgd_t *) table; - mm->context.asce_limit = 1UL << 53; + mm->context.asce_limit = _REGION1_SIZE; mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH | _ASCE_USER_BITS | _ASCE_TYPE_REGION2; } else { @@ -124,7 +124,7 @@ void crst_table_downgrade(struct mm_struct *mm) pgd_t *pgd; /* downgrade should only happen from 3 to 2 levels (compat only) */ - BUG_ON(mm->context.asce_limit != (1UL << 42)); + BUG_ON(mm->context.asce_limit != _REGION2_SIZE); if (current->active_mm == mm) { clear_user_asce(); @@ -133,7 +133,7 @@ void crst_table_downgrade(struct mm_struct *mm) pgd = mm->pgd; mm->pgd = (pgd_t *) (pgd_val(*pgd) & _REGION_ENTRY_ORIGIN); - mm->context.asce_limit = 1UL << 31; + mm->context.asce_limit = _REGION3_SIZE; mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH | _ASCE_USER_BITS | _ASCE_TYPE_SEGMENT; crst_table_free(mm, (unsigned long *) pgd); |