On Mon, Dec 01, 2014 at 05:58:02PM -0500, Johannes Weiner wrote: > Whether there is a vm_ops->page_mkwrite or not, the page dirtying is > pretty much the same. Make sure the page references are the same in > both cases, then merge the two branches. > > It's tempting to go even further and page-lock the !page_mkwrite case, > to get it in line with everybody else setting the page table and thus > further simplify the model. But that's not quite compelling enough to > justify dropping the pte lock, then relocking and verifying the entry > for filesystems without ->page_mkwrite, which notably includes tmpfs. > Leave it for now and lock the page late in the !page_mkwrite case. > > Signed-off-by: Johannes Weiner <han...@cmpxchg.org>
This would conflict with other patchset of do_wp_page() cleanups, but look good. Acked-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com> -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
