diff options
Diffstat (limited to 'arch/s390/mm/pgalloc.c')
| -rw-r--r-- | arch/s390/mm/pgalloc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c index abb629d7e131..f691e0fb66a2 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -55,6 +55,8 @@ unsigned long *crst_table_alloc(struct mm_struct *mm) void crst_table_free(struct mm_struct *mm, unsigned long *table) { + if (!table) + return; pagetable_free(virt_to_ptdesc(table)); } @@ -64,8 +66,8 @@ static void __crst_table_upgrade(void *arg) /* change all active ASCEs to avoid the creation of new TLBs */ if (current->active_mm == mm) { - S390_lowcore.user_asce.val = mm->context.asce; - local_ctl_load(7, &S390_lowcore.user_asce); + get_lowcore()->user_asce.val = mm->context.asce; + local_ctl_load(7, &get_lowcore()->user_asce); } __tlb_flush_local(); } @@ -262,6 +264,8 @@ static unsigned long *base_crst_alloc(unsigned long val) static void base_crst_free(unsigned long *table) { + if (!table) + return; pagetable_free(virt_to_ptdesc(table)); } |