diff --git a/mm/util.c b/mm/util.c index 68ff8a5361e79a30233fe9ecc4b26b09e614e1b8..9af1c12b310c7f092f030fc1a4303c287724b0a6 100644 --- a/mm/util.c +++ b/mm/util.c @@ -309,7 +309,7 @@ unsigned long vm_mmap(struct file *file, unsigned long addr, { if (unlikely(offset + PAGE_ALIGN(len) < offset)) return -EINVAL; - if (unlikely(offset & ~PAGE_MASK)) + if (unlikely(offset_in_page(offset))) return -EINVAL; return vm_mmap_pgoff(file, addr, len, prot, flag, offset >> PAGE_SHIFT);