#include <linux/mm.h>
#include <linux/module.h>
#include <asm/pgalloc.h>
+#include <asm/compat.h>
/*
* Top of mmap area (just below the process stack).
/*
* Force standard allocation for 64 bit programs.
*/
- if (!test_thread_flag(TIF_31BIT))
+ if (!is_compat_task())
return 1;
#endif
return sysctl_legacy_va_layout ||
int s390_mmap_check(unsigned long addr, unsigned long len)
{
- if (!test_thread_flag(TIF_31BIT) &&
+ if (!is_compat_task() &&
len >= TASK_SIZE && TASK_SIZE < (1UL << 53))
return crst_table_upgrade(current->mm, 1UL << 53);
return 0;
area = arch_get_unmapped_area(filp, addr, len, pgoff, flags);
if (!(area & ~PAGE_MASK))
return area;
- if (area == -ENOMEM &&
- !test_thread_flag(TIF_31BIT) && TASK_SIZE < (1UL << 53)) {
+ if (area == -ENOMEM && !is_compat_task() && TASK_SIZE < (1UL << 53)) {
/* Upgrade the page table to 4 levels and retry. */
rc = crst_table_upgrade(mm, 1UL << 53);
if (rc)
area = arch_get_unmapped_area_topdown(filp, addr, len, pgoff, flags);
if (!(area & ~PAGE_MASK))
return area;
- if (area == -ENOMEM &&
- !test_thread_flag(TIF_31BIT) && TASK_SIZE < (1UL << 53)) {
+ if (area == -ENOMEM && !is_compat_task() && TASK_SIZE < (1UL << 53)) {
/* Upgrade the page table to 4 levels and retry. */
rc = crst_table_upgrade(mm, 1UL << 53);
if (rc)