diff options
Diffstat (limited to 'drivers/misc/cxl/cxllib.c')
| -rw-r--r-- | drivers/misc/cxl/cxllib.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/misc/cxl/cxllib.c b/drivers/misc/cxl/cxllib.c index 258c43a95ac3..2a1783f32254 100644 --- a/drivers/misc/cxl/cxllib.c +++ b/drivers/misc/cxl/cxllib.c @@ -207,7 +207,7 @@ static int get_vma_info(struct mm_struct *mm, u64 addr, struct vm_area_struct *vma = NULL; int rc = 0; - down_read(&mm->mmap_sem); + mmap_read_lock(mm); vma = find_vma(mm, addr); if (!vma) { @@ -218,7 +218,7 @@ static int get_vma_info(struct mm_struct *mm, u64 addr, *vma_start = vma->vm_start; *vma_end = vma->vm_end; out: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return rc; } @@ -245,9 +245,8 @@ int cxllib_handle_fault(struct mm_struct *mm, u64 addr, u64 size, u64 flags) dar += page_size) { if (dar < vma_start || dar >= vma_end) { /* - * We don't hold the mm->mmap_sem semaphore - * while iterating, since the semaphore is - * required by one of the lower-level page + * We don't hold mm->mmap_lock while iterating, since + * the lock is required by one of the lower-level page * fault processing functions and it could * create a deadlock. * |