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Diffstat (limited to 'mm/nommu.c')
-rw-r--r--mm/nommu.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index 062dc1c90d21..8c3a04784dbe 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -172,11 +172,11 @@ static void *__vmalloc_user_flags(unsigned long size, gfp_t flags)
if (ret) {
struct vm_area_struct *vma;
- down_write(&current->mm->mmap_sem);
+ mmap_write_lock(current->mm);
vma = find_vma(current->mm, (unsigned long)ret);
if (vma)
vma->vm_flags |= VM_USERMAP;
- up_write(&current->mm->mmap_sem);
+ mmap_write_unlock(current->mm);
}
return ret;
@@ -1542,9 +1542,9 @@ int vm_munmap(unsigned long addr, size_t len)
struct mm_struct *mm = current->mm;
int ret;
- down_write(&mm->mmap_sem);
+ mmap_write_lock(mm);
ret = do_munmap(mm, addr, len, NULL);
- up_write(&mm->mmap_sem);
+ mmap_write_unlock(mm);
return ret;
}
EXPORT_SYMBOL(vm_munmap);
@@ -1631,9 +1631,9 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
{
unsigned long ret;
- down_write(&current->mm->mmap_sem);
+ mmap_write_lock(current->mm);
ret = do_mremap(addr, old_len, new_len, flags, new_addr);
- up_write(&current->mm->mmap_sem);
+ mmap_write_unlock(current->mm);
return ret;
}
@@ -1705,7 +1705,7 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
struct vm_area_struct *vma;
int write = gup_flags & FOLL_WRITE;
- if (down_read_killable(&mm->mmap_sem))
+ if (mmap_read_lock_killable(mm))
return 0;
/* the access must start within one of the target process's mappings */
@@ -1728,7 +1728,7 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
len = 0;
}
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
return len;
}