diff options
| -rw-r--r-- | mm/filemap.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 3f9b5fbb623..b952d99c827 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1953,11 +1953,11 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) struct inode *inode = mapping->host; pgoff_t offset = vmf->pgoff; struct page *page; - pgoff_t size; + loff_t size; int ret = 0; - size = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - if (offset >= size) + size = round_up(i_size_read(inode), PAGE_CACHE_SIZE); + if (offset >= size >> PAGE_CACHE_SHIFT) return VM_FAULT_SIGBUS; /* @@ -2006,8 +2006,8 @@ retry_find: * Found the page and have a reference on it. * We must recheck i_size under page lock. */ - size = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - if (unlikely(offset >= size)) { + size = round_up(i_size_read(inode), PAGE_CACHE_SIZE); + if (unlikely(offset >= size >> PAGE_CACHE_SHIFT)) { unlock_page(page); page_cache_release(page); return VM_FAULT_SIGBUS; @@ -2111,8 +2111,8 @@ repeat: if (page->mapping != mapping || !PageUptodate(page)) goto unlock; - size = i_size_read(mapping->host) + PAGE_CACHE_SIZE - 1; - if (page->index >= size >> PAGE_CACHE_SHIFT) + size = round_up(i_size_read(mapping->host), PAGE_CACHE_SIZE); + if (page->index >= size >> PAGE_CACHE_SHIFT) goto unlock; pte = vmf->pte + page->index - vmf->pgoff; |