diff options
Diffstat (limited to 'arch/s390/mm/pgtable.c')
| -rw-r--r-- | arch/s390/mm/pgtable.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index be6c1cf4ad5..4ca8e826bf3 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -1,7 +1,5 @@ /* - * arch/s390/mm/pgtable.c - * - * Copyright IBM Corp. 2007 + * Copyright IBM Corp. 2007,2009 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> */ @@ -53,6 +51,18 @@ void clear_table_pgstes(unsigned long *table) #endif +unsigned long VMALLOC_START = VMALLOC_END - VMALLOC_SIZE; +EXPORT_SYMBOL(VMALLOC_START); + +static int __init parse_vmalloc(char *arg) +{ + if (!arg) + return -EINVAL; + VMALLOC_START = (VMALLOC_END - memparse(arg, &arg)) & PAGE_MASK; + return 0; +} +early_param("vmalloc", parse_vmalloc); + unsigned long *crst_table_alloc(struct mm_struct *mm, int noexec) { struct page *page = alloc_pages(GFP_KERNEL, ALLOC_ORDER); |