diff options
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/syscall.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 58beabf50b3..0c207e8ee60 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -79,20 +79,13 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, { struct vm_area_struct * vmm; int do_color_align; - unsigned long task_size; -#ifdef CONFIG_32BIT - task_size = TASK_SIZE; -#else /* Must be CONFIG_64BIT*/ - task_size = test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE; -#endif - - if (len > task_size) + if (len > TASK_SIZE) return -ENOMEM; if (flags & MAP_FIXED) { - /* Even MAP_FIXED mappings must reside within task_size. */ - if (task_size - len < addr) + /* Even MAP_FIXED mappings must reside within TASK_SIZE. */ + if (TASK_SIZE - len < addr) return -EINVAL; /* @@ -114,7 +107,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, else addr = PAGE_ALIGN(addr); vmm = find_vma(current->mm, addr); - if (task_size - len >= addr && + if (TASK_SIZE - len >= addr && (!vmm || addr + len <= vmm->vm_start)) return addr; } @@ -126,7 +119,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, for (vmm = find_vma(current->mm, addr); ; vmm = vmm->vm_next) { /* At this point: (!vmm || addr < vmm->vm_end). */ - if (task_size - len < addr) + if (TASK_SIZE - len < addr) return -ENOMEM; if (!vmm || addr + len <= vmm->vm_start) return addr; |