diff options
Diffstat (limited to 'mm/nommu.c')
| -rw-r--r-- | mm/nommu.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index bd1808e194a7..52a576553581 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -722,11 +722,11 @@ static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma) if (vma->vm_file) { mapping = vma->vm_file->f_mapping; - mutex_lock(&mapping->i_mmap_mutex); + i_mmap_lock_write(mapping); flush_dcache_mmap_lock(mapping); vma_interval_tree_insert(vma, &mapping->i_mmap); flush_dcache_mmap_unlock(mapping); - mutex_unlock(&mapping->i_mmap_mutex); + i_mmap_unlock_write(mapping); } /* add the VMA to the tree */ @@ -795,11 +795,11 @@ static void delete_vma_from_mm(struct vm_area_struct *vma) if (vma->vm_file) { mapping = vma->vm_file->f_mapping; - mutex_lock(&mapping->i_mmap_mutex); + i_mmap_lock_write(mapping); flush_dcache_mmap_lock(mapping); vma_interval_tree_remove(vma, &mapping->i_mmap); flush_dcache_mmap_unlock(mapping); - mutex_unlock(&mapping->i_mmap_mutex); + i_mmap_unlock_write(mapping); } /* remove from the MM's tree and list */ @@ -2094,14 +2094,14 @@ int nommu_shrink_inode_mappings(struct inode *inode, size_t size, high = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; down_write(&nommu_region_sem); - mutex_lock(&inode->i_mapping->i_mmap_mutex); + i_mmap_lock_write(inode->i_mapping); /* search for VMAs that fall within the dead zone */ vma_interval_tree_foreach(vma, &inode->i_mapping->i_mmap, low, high) { /* found one - only interested if it's shared out of the page * cache */ if (vma->vm_flags & VM_SHARED) { - mutex_unlock(&inode->i_mapping->i_mmap_mutex); + i_mmap_unlock_write(inode->i_mapping); up_write(&nommu_region_sem); return -ETXTBSY; /* not quite true, but near enough */ } @@ -2129,7 +2129,7 @@ int nommu_shrink_inode_mappings(struct inode *inode, size_t size, } } - mutex_unlock(&inode->i_mapping->i_mmap_mutex); + i_mmap_unlock_write(inode->i_mapping); up_write(&nommu_region_sem); return 0; } |