On Fri, 21 Aug 2015, Kirill A. Shutemov wrote: > > Is this really true? For example if it's a slab page, will that page > > ever be inspected by code which is looking for the PageTail bit? > > +Christoph. > > What we know for sure is that space is not used in tail pages, otherwise > it would collide with current compound_dtor.
Sl*b allocators only do a virt_to_head_page on tail pages. -- 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/