struct inode *inode = file_inode(file);
loff_t i_size;
unsigned long pg_start, pg_end;
- pg_start = origin >> PAGE_CACHE_SHIFT;
- pg_end = (origin + retval - 1) >> PAGE_CACHE_SHIFT;
+ pg_start = origin >> PAGE_SHIFT;
+ pg_end = (origin + retval - 1) >> PAGE_SHIFT;
if (inode->i_mapping && inode->i_mapping->nrpages)
invalidate_inode_pages2_range(inode->i_mapping,
pg_start, pg_end);