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| author | Vegard Nossum <vegard.nossum@gmail.com> | 2009-06-15 15:50:49 +0200 |
|---|---|---|
| committer | Vegard Nossum <vegard.nossum@gmail.com> | 2009-06-15 15:50:49 +0200 |
| commit | 722f2a6c87f34ee0fd0130a8cf45f81e0705594a (patch) | |
| tree | 50b054df34d2731eb0ba0cf1a6c27e43e7eed428 /arch/s390/mm/mmap.c | |
| parent | 7a0aeb14e18ad59394bd9bbc6e57fb345819e748 (diff) | |
| parent | 45e3e1935e2857c54783291107d33323b3ef33c8 (diff) | |
Merge commit 'linus/master' into HEAD
Conflicts:
MAINTAINERS
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Diffstat (limited to 'arch/s390/mm/mmap.c')
| -rw-r--r-- | arch/s390/mm/mmap.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index e008d236cc1..f4558ccf02b 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -28,6 +28,7 @@ #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). @@ -55,7 +56,7 @@ static inline int mmap_is_legacy(void) /* * 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 || @@ -91,7 +92,7 @@ EXPORT_SYMBOL_GPL(arch_pick_mmap_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; @@ -108,8 +109,7 @@ s390_get_unmapped_area(struct file *filp, unsigned long addr, 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) @@ -131,8 +131,7 @@ s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr, 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) |