On Tue, May 27, 2014 at 01:50:47PM +0200, Vlastimil Babka wrote: > > What if VM_PINNED will require VM_LOCKED? > > I.e. user must mlock it before pining and cannot munlock vma while it's > > pinned. > > Mlocking makes sense, as pages won't be uselessly scanned on > non-evictable LRU, no? (Or maybe I just don't see that something else > prevents then from being there already).
We can add VM_PINNED logic to page_check_reference() and try_to_unmap_one() to avoid the scanning if that's a problem. But that's additional bits. -- 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/
