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Diffstat (limited to 'fs/hugetlbfs/inode.c')
-rw-r--r--fs/hugetlbfs/inode.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 6449cb697967..c3920c96dadf 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -83,8 +83,6 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
83 83
84 ret = -ENOMEM; 84 ret = -ENOMEM;
85 len = vma_len + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); 85 len = vma_len + ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
86 if (!(vma->vm_flags & VM_WRITE) && len > inode->i_size)
87 goto out;
88 86
89 if (vma->vm_flags & VM_MAYSHARE && 87 if (vma->vm_flags & VM_MAYSHARE &&
90 hugetlb_reserve_pages(inode, vma->vm_pgoff >> (HPAGE_SHIFT-PAGE_SHIFT), 88 hugetlb_reserve_pages(inode, vma->vm_pgoff >> (HPAGE_SHIFT-PAGE_SHIFT),
@@ -93,7 +91,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
93 91
94 ret = 0; 92 ret = 0;
95 hugetlb_prefault_arch_hook(vma->vm_mm); 93 hugetlb_prefault_arch_hook(vma->vm_mm);
96 if (inode->i_size < len) 94 if (vma->vm_flags & VM_WRITE && inode->i_size < len)
97 inode->i_size = len; 95 inode->i_size = len;
98out: 96out:
99 mutex_unlock(&inode->i_mutex); 97 mutex_unlock(&inode->i_mutex);