diff options
Diffstat (limited to 'mm/madvise.c')
-rw-r--r-- | mm/madvise.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index 8cbd8c1bfe15..d9b0f66b4396 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -289,12 +289,12 @@ static long madvise_willneed(struct vm_area_struct *vma, */ *prev = NULL; /* tell sys_madvise we drop mmap_sem */ get_file(file); - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); offset = (loff_t)(start - vma->vm_start) + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); vfs_fadvise(file, offset, end - start, POSIX_FADV_WILLNEED); fput(file); - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); return 0; } @@ -770,7 +770,7 @@ static long madvise_dontneed_free(struct vm_area_struct *vma, if (!userfaultfd_remove(vma, start, end)) { *prev = NULL; /* mmap_sem has been dropped, prev is stale */ - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); vma = find_vma(current->mm, start); if (!vma) return -ENOMEM; @@ -852,13 +852,13 @@ static long madvise_remove(struct vm_area_struct *vma, get_file(f); if (userfaultfd_remove(vma, start, end)) { /* mmap_sem was not released by userfaultfd_remove() */ - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); } error = vfs_fallocate(f, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, offset, end - start); fput(f); - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); return error; } @@ -1089,7 +1089,7 @@ int do_madvise(unsigned long start, size_t len_in, int behavior) write = madvise_need_mmap_write(behavior); if (write) { - if (down_write_killable(¤t->mm->mmap_sem)) + if (mmap_write_lock_killable(current->mm)) return -EINTR; /* @@ -1105,11 +1105,11 @@ int do_madvise(unsigned long start, size_t len_in, int behavior) * model. */ if (!mmget_still_valid(current->mm)) { - up_write(¤t->mm->mmap_sem); + mmap_write_unlock(current->mm); return -EINTR; } } else { - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); } /* @@ -1159,9 +1159,9 @@ int do_madvise(unsigned long start, size_t len_in, int behavior) out: blk_finish_plug(&plug); if (write) - up_write(¤t->mm->mmap_sem); + mmap_write_unlock(current->mm); else - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); return error; } |